├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── values │ │ │ │ ├── strings.xml │ │ │ │ ├── colors.xml │ │ │ │ ├── dimens.xml │ │ │ │ └── styles.xml │ │ │ ├── raw │ │ │ │ └── demonstration.gif │ │ │ ├── mipmap-hdpi │ │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-mdpi │ │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xhdpi │ │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xxhdpi │ │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xxxhdpi │ │ │ │ └── ic_launcher.png │ │ │ ├── drawable-xxhdpi │ │ │ │ └── delete_background.9.png │ │ │ ├── values-w820dp │ │ │ │ └── dimens.xml │ │ │ └── layout │ │ │ │ ├── activity_people_list.xml │ │ │ │ ├── fragment_simple_list.xml │ │ │ │ └── list_item_person.xml │ │ ├── java │ │ │ └── com │ │ │ │ └── flowolf86 │ │ │ │ └── androidswipetodelete │ │ │ │ ├── swipetodelete │ │ │ │ ├── SwipeToDeleteCompatibleInterface.java │ │ │ │ ├── SwipeToDeleteCompatibleAdapter.java │ │ │ │ └── SwipeToDeleteHandler.java │ │ │ │ ├── ui │ │ │ │ ├── PeopleListActivity.java │ │ │ │ ├── BaseActivity.java │ │ │ │ └── SimpleListFragment.java │ │ │ │ ├── util │ │ │ │ └── GuiUtils.java │ │ │ │ ├── view │ │ │ │ └── SwipeableRecyclerView.java │ │ │ │ └── adapter │ │ │ │ └── SimpleListAdapter.java │ │ └── AndroidManifest.xml │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── flowolf86 │ │ │ └── androidswipetodelete │ │ │ └── ExampleUnitTest.java │ └── androidTest │ │ └── java │ │ └── com │ │ └── flowolf86 │ │ └── androidswipetodelete │ │ └── ApplicationTest.java ├── proguard-rules.pro ├── build.gradle └── app.iml ├── .idea ├── .name ├── copyright │ └── profiles_settings.xml ├── vcs.xml ├── inspectionProfiles │ ├── profiles_settings.xml │ └── Project_Default.xml ├── modules.xml ├── runConfigurations.xml ├── compiler.xml ├── gradle.xml └── misc.xml ├── settings.gradle ├── .gitignore ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradle.properties ├── README.md ├── AndroidSwipeToDelete.iml ├── gradlew.bat ├── gradlew └── LICENSE /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /.idea/.name: -------------------------------------------------------------------------------- 1 | AndroidSwipeToDelete -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | -------------------------------------------------------------------------------- /.idea/copyright/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .gradle 2 | /local.properties 3 | /.idea/workspace.xml 4 | /.idea/libraries 5 | .DS_Store 6 | /build 7 | /captures 8 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | AndroidSwipeToDelete 3 | 4 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/flowolf86/AndroidSwipeToDelete/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /app/src/main/res/raw/demonstration.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/flowolf86/AndroidSwipeToDelete/HEAD/app/src/main/res/raw/demonstration.gif -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/flowolf86/AndroidSwipeToDelete/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/flowolf86/AndroidSwipeToDelete/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/flowolf86/AndroidSwipeToDelete/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/flowolf86/AndroidSwipeToDelete/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/flowolf86/AndroidSwipeToDelete/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/delete_background.9.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/flowolf86/AndroidSwipeToDelete/HEAD/app/src/main/res/drawable-xxhdpi/delete_background.9.png -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FFA500 6 | 7 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Tue Nov 03 09:51:28 CET 2015 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip 7 | -------------------------------------------------------------------------------- /.idea/inspectionProfiles/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | 56dp 7 | 8 | -------------------------------------------------------------------------------- /app/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /app/src/test/java/com/flowolf86/androidswipetodelete/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package com.flowolf86.androidswipetodelete; 2 | 3 | import org.junit.Test; 4 | 5 | import static org.junit.Assert.*; 6 | 7 | /** 8 | * To work on unit tests, switch the Test Artifact in the Build Variants view. 9 | */ 10 | public class ExampleUnitTest { 11 | @Test 12 | public void addition_isCorrect() throws Exception { 13 | assertEquals(4, 2 + 2); 14 | } 15 | } -------------------------------------------------------------------------------- /app/src/androidTest/java/com/flowolf86/androidswipetodelete/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package com.flowolf86.androidswipetodelete; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase { 10 | public ApplicationTest() { 11 | super(Application.class); 12 | } 13 | } -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 8 | 9 | 13 | 14 | 15 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /Users/florianw/Developer/SDK/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 18 | 19 | -------------------------------------------------------------------------------- /app/src/main/java/com/flowolf86/androidswipetodelete/swipetodelete/SwipeToDeleteCompatibleInterface.java: -------------------------------------------------------------------------------- 1 | package com.flowolf86.androidswipetodelete.swipetodelete; 2 | 3 | import android.support.annotation.NonNull; 4 | import android.view.View; 5 | 6 | import java.util.Map; 7 | 8 | /** 9 | * Created by github.com/flowolf86/ on 20.07.15 10 | * 11 | * A swipe to delete compatible adapter 12 | */ 13 | public interface SwipeToDeleteCompatibleInterface { 14 | 15 | /** 16 | * The onClickListener callback. We pass the view here to be able to 17 | * use material design meaningful transitions 18 | * 19 | * @param view 20 | * @param object 21 | */ 22 | void onElementSelected(@NonNull View view, @NonNull final Object object); 23 | 24 | void onSingleElementSwiped(@NonNull final Object object); 25 | 26 | void onMultipleElementsSwiped(@NonNull final Map allTrips); 27 | } 28 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m 13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 14 | 15 | # When configured, Gradle will run in incubating parallel mode. 16 | # This option should only be used with decoupled projects. More details, visit 17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 18 | # org.gradle.parallel=true -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_people_list.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 13 | 14 | 20 | 21 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # AndroidSwipeToDelete 2 | RecyclerView with swipe to delete functionality and restore functionality 3 | 4 | This is a demonstration of how to create swipe to delete functionality for Android RecyclerViews. 5 | It's possible for the user to undo his swipes via Snackbar action for a defined amount of time. 6 | 7 | [![Demo CountPages alpha](https://raw.githubusercontent.com/flowolf86/AndroidSwipeToDelete/master/app/src/main/res/raw/demonstration.gif)](https://www.youtube.com/watch?v=Xsc0PtpmhMU) 8 | 9 | # Libraries used for demonstration 10 | * RxPeople for the demo data (https://github.com/cesarferreira/RxPeople) 11 | * RxAndroid (https://github.com/ReactiveX/RxAndroid) 12 | * Picasso for loading images into recyclerview (http://square.github.io/picasso/) 13 | * ButterKnife for convinience (https://github.com/JakeWharton/butterknife) 14 | * A bunch of awesome Google design, support, cardview libraries (http://developer.android.com/tools/support-library/index.html) 15 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fragment_simple_list.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 8 | 9 | 16 | 17 | 22 | 23 | -------------------------------------------------------------------------------- /AndroidSwipeToDelete.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 13 | 14 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 23 5 | buildToolsVersion "23.0.1" 6 | 7 | defaultConfig { 8 | applicationId "com.flowolf86.androidswipetodelete" 9 | minSdkVersion 21 10 | targetSdkVersion 23 11 | versionCode 1 12 | versionName "1.0" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | testCompile 'junit:junit:4.12' 25 | compile 'com.android.support:appcompat-v7:23.0.1' 26 | compile 'com.android.support:recyclerview-v7:23.0.1' 27 | compile 'com.android.support:cardview-v7:23.0.1' 28 | compile 'com.android.support:design:23.0.1' 29 | 30 | compile 'com.jakewharton:butterknife:7.0.1' 31 | compile 'io.reactivex:rxjava:1.0.14' 32 | compile 'io.reactivex:rxandroid:1.0.1' 33 | compile 'com.cesarferreira.rxpeople:rxpeople:0.2.1' 34 | compile 'com.squareup.picasso:picasso:2.5.2' 35 | } 36 | -------------------------------------------------------------------------------- /app/src/main/java/com/flowolf86/androidswipetodelete/swipetodelete/SwipeToDeleteCompatibleAdapter.java: -------------------------------------------------------------------------------- 1 | package com.flowolf86.androidswipetodelete.swipetodelete; 2 | 3 | import android.content.Context; 4 | import android.support.annotation.NonNull; 5 | import android.support.v7.widget.RecyclerView; 6 | 7 | import java.util.List; 8 | 9 | /** 10 | * Created by github.com/flowolf86/ on 20.07.15 11 | * 12 | * A swipe to delete compatible adapter 13 | */ 14 | public abstract class SwipeToDeleteCompatibleAdapter extends RecyclerView.Adapter { 15 | 16 | /** 17 | * get all adapter data 18 | * @return 19 | */ 20 | public abstract List getData(); 21 | 22 | /** 23 | * convinience method. get the size of the adapter data 24 | */ 25 | public abstract int getDataSize(); 26 | 27 | /** 28 | * add data at index to adapter 29 | * @param index 30 | * @param data 31 | * @return 32 | */ 33 | public abstract boolean addData(int index, @NonNull Object data); 34 | 35 | /** 36 | * adapt the list height to match the new number of list items 37 | * @param context 38 | * @param view 39 | */ 40 | public abstract void adaptHeight(@NonNull Context context, @NonNull RecyclerView view); 41 | } -------------------------------------------------------------------------------- /app/src/main/res/layout/list_item_person.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 14 | 15 | 22 | 23 | 28 | 29 | 34 | 35 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /.idea/inspectionProfiles/Project_Default.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 47 | -------------------------------------------------------------------------------- /app/src/main/java/com/flowolf86/androidswipetodelete/ui/PeopleListActivity.java: -------------------------------------------------------------------------------- 1 | 2 | package com.flowolf86.androidswipetodelete.ui; 3 | 4 | import android.os.Bundle; 5 | import android.support.annotation.NonNull; 6 | import android.view.View; 7 | 8 | import com.flowolf86.androidswipetodelete.R; 9 | import com.flowolf86.androidswipetodelete.swipetodelete.SwipeToDeleteCompatibleInterface; 10 | 11 | import java.util.ArrayList; 12 | import java.util.List; 13 | import java.util.Map; 14 | 15 | import github.cesarferreira.rxpeople.models.FakeUser; 16 | 17 | /** 18 | * Created by github.com/flowolf86/ on 20.07.15 19 | * 20 | * The main activity of the demo application. Holds one fragment with a recyclerview. 21 | */ 22 | public class PeopleListActivity extends BaseActivity implements SwipeToDeleteCompatibleInterface { 23 | 24 | private SimpleListFragment mPeopleListFragment; 25 | 26 | @Override 27 | protected void onCreate(final Bundle bundle) { 28 | super.onCreate(bundle); 29 | 30 | setContentView(R.layout.activity_people_list); 31 | super.setupToolbar(R.id.toolbar, false); 32 | setToolbarTitle("SwipeToDelete and Undo"); 33 | 34 | setupFragment(); 35 | } 36 | 37 | private void setupFragment() { 38 | mPeopleListFragment = (SimpleListFragment) getSupportFragmentManager().findFragmentById(R.id.people_list_fragment); 39 | mPeopleListFragment.refresh(); 40 | } 41 | 42 | /* 43 | Swipe compatible interface 44 | */ 45 | 46 | @Override 47 | public void onElementSelected(@NonNull final View view, @NonNull final Object object) { 48 | 49 | if(object instanceof FakeUser){ 50 | // TODO Handle click here... 51 | }else{ 52 | throw new IllegalStateException("Selected element is not of type FakeUser. Instead: " + object.getClass()); 53 | } 54 | } 55 | 56 | @Override 57 | public void onSingleElementSwiped(@NonNull final Object object) { 58 | 59 | if(object instanceof FakeUser){ 60 | 61 | // TODO Delete stuff from database here 62 | }else{ 63 | throw new IllegalStateException("Swiped element is not of type FakeUser. Instead: " + object.getClass()); 64 | } 65 | } 66 | 67 | @Override 68 | public void onMultipleElementsSwiped(@NonNull Map allObjects) { 69 | 70 | List peopleList = new ArrayList<>(); 71 | for(Map.Entry entry : allObjects.entrySet()){ 72 | 73 | if(!(entry.getValue() instanceof FakeUser)){ 74 | continue; 75 | } 76 | 77 | peopleList.add((FakeUser) entry.getValue()); 78 | } 79 | 80 | // TODO Delete multiple stuff from database here 81 | } 82 | } 83 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 19 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | Android 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 65 | 66 | 67 | 68 | 69 | 70 | 75 | 76 | 77 | 78 | 79 | 80 | -------------------------------------------------------------------------------- /app/src/main/java/com/flowolf86/androidswipetodelete/util/GuiUtils.java: -------------------------------------------------------------------------------- 1 | 2 | package com.flowolf86.androidswipetodelete.util; 3 | 4 | import android.content.Context; 5 | import android.content.res.Resources; 6 | import android.os.Handler; 7 | import android.os.Looper; 8 | import android.support.annotation.NonNull; 9 | import android.support.annotation.Nullable; 10 | import android.support.design.widget.Snackbar; 11 | import android.support.v4.content.ContextCompat; 12 | import android.view.View; 13 | 14 | import com.flowolf86.androidswipetodelete.R; 15 | 16 | /** 17 | * Created by github.com/flowolf86/ on 20.07.15 18 | * 19 | * Simple GuiUtils making life easier 20 | */ 21 | public class GuiUtils { 22 | 23 | public static final long SNACKBAR_NO_DELAY = 0; 24 | public static final long SNACKBAR_DEFAULT_DELAY = 300; 25 | public static final long SNACKBAR_MEDIUM_DELAY = 1000; 26 | public static final long SNACKBAR_LONG_DELAY = 1500; 27 | 28 | private GuiUtils() {} 29 | 30 | /** 31 | * Displays a snackbar on top of the given root layout 32 | * THe snackbar dissapears with the activity. It is therefore recommended to display 33 | * this snackbar on the new activity (if the snackbar goes hand in hand with an activity change) 34 | * 35 | * return the shown Snackbar 36 | * 37 | * @param rootView 38 | * @param snackbarText 39 | * @param actionCallbackText 40 | * @param actionCallback 41 | * @param displayDelay 42 | * @param snackbarDuration 43 | */ 44 | public static @Nullable Snackbar displaySnackbar(@Nullable final View rootView, final String snackbarText, final String actionCallbackText, 45 | final View.OnClickListener actionCallback, long displayDelay, final int snackbarDuration) { 46 | 47 | if(rootView != null) { 48 | final Snackbar snackbar = Snackbar.make(rootView, snackbarText, snackbarDuration); 49 | 50 | new Handler(Looper.getMainLooper()).postDelayed(new Runnable() { 51 | @Override 52 | public void run() { 53 | if (actionCallback != null && actionCallbackText != null) { 54 | snackbar.setAction(actionCallbackText, actionCallback); 55 | } 56 | snackbar.getView().setBackgroundColor(ContextCompat.getColor(snackbar.getView().getContext(), R.color.colorPrimaryDark)); 57 | snackbar.setActionTextColor(ContextCompat.getColor(rootView.getContext(), R.color.colorAccent)); 58 | snackbar.show(); 59 | } 60 | }, displayDelay); 61 | return snackbar; 62 | } 63 | return null; 64 | } 65 | 66 | /** 67 | * calculate the needed height of a listview (or any other view), which is need to display all the children 68 | * 69 | * @param amount of the shown views 70 | * @param context of the listview 71 | * @param dimenResId of the height of one list item 72 | * 73 | * @return listview/RecyclerView height as int 74 | */ 75 | public static int calculateScrollableHeightDependOnChildren(@NonNull final Context context, int amount, int dimenResId) 76 | { 77 | int height =0; 78 | Resources resources= context.getResources(); 79 | double densityFactor = GuiUtils.getDeviceDensityFactor(context); 80 | 81 | height += (int) (amount + 0.2) * (resources.getDimension(dimenResId) + densityFactor + 1); 82 | 83 | return height; 84 | } 85 | 86 | public static double getDeviceDensityFactor(final Context context) { 87 | return context.getResources().getDisplayMetrics().density; 88 | } 89 | 90 | } 91 | -------------------------------------------------------------------------------- /app/src/main/java/com/flowolf86/androidswipetodelete/view/SwipeableRecyclerView.java: -------------------------------------------------------------------------------- 1 | package com.flowolf86.androidswipetodelete.view; 2 | 3 | import android.content.Context; 4 | import android.graphics.Canvas; 5 | import android.graphics.Rect; 6 | import android.graphics.drawable.NinePatchDrawable; 7 | import android.support.annotation.Nullable; 8 | import android.support.v4.content.ContextCompat; 9 | import android.support.v7.widget.RecyclerView; 10 | import android.support.v7.widget.helper.ItemTouchHelper; 11 | import android.util.AttributeSet; 12 | import android.view.View; 13 | 14 | import com.flowolf86.androidswipetodelete.R; 15 | 16 | /** 17 | * Created by github.com/flowolf86/ on 02.08.15 18 | * 19 | * Custom RecyclerView with additional swipe to delete and undo functionality 20 | */ 21 | public class SwipeableRecyclerView extends RecyclerView 22 | { 23 | private View mEmptyView; 24 | 25 | public interface RecyclerViewSwipeListener { 26 | void onSwipe(int position); 27 | } 28 | 29 | public interface SwipeableViewHolder {} 30 | 31 | final private AdapterDataObserver observer = new AdapterDataObserver() { 32 | 33 | @Override 34 | public void onChanged() { 35 | checkIfEmpty(); 36 | } 37 | 38 | @Override 39 | public void onItemRangeInserted(int positionStart, int itemCount) { 40 | checkIfEmpty(); 41 | } 42 | 43 | @Override 44 | public void onItemRangeRemoved(int positionStart, int itemCount) { 45 | checkIfEmpty(); 46 | } 47 | }; 48 | 49 | private void checkIfEmpty() { 50 | 51 | if (mEmptyView != null && getAdapter() != null) { 52 | 53 | final boolean emptyViewVisible = getAdapter().getItemCount() == 0; 54 | mEmptyView.setVisibility(emptyViewVisible ? VISIBLE : GONE); 55 | setVisibility(emptyViewVisible ? GONE : VISIBLE); 56 | } 57 | } 58 | 59 | @Override 60 | public void setAdapter(Adapter adapter) { 61 | final Adapter oldAdapter = getAdapter(); 62 | if (oldAdapter != null) { 63 | oldAdapter.unregisterAdapterDataObserver(observer); 64 | } 65 | super.setAdapter(adapter); 66 | if (adapter != null) { 67 | adapter.registerAdapterDataObserver(observer); 68 | } 69 | checkIfEmpty(); 70 | } 71 | 72 | public void setEmptyView(View emptyView) { 73 | 74 | this.mEmptyView = emptyView; 75 | checkIfEmpty(); 76 | } 77 | 78 | 79 | public SwipeableRecyclerView(Context context) { 80 | super(context); 81 | } 82 | 83 | public SwipeableRecyclerView(Context context, @Nullable AttributeSet attrs) { 84 | super(context, attrs, 0); 85 | } 86 | 87 | public SwipeableRecyclerView(Context context, @Nullable AttributeSet attrs, int defStyle) { 88 | super(context,attrs,defStyle); 89 | } 90 | 91 | 92 | /** 93 | * Glue the swipelistener to the recyclerview. Only ViewHolders that implement the SwipeableViewholder interface, can be swiped. 94 | * after the swipe has been performed, the callback onSwipe() is being invoked 95 | */ 96 | public void setSwipeListener(final RecyclerViewSwipeListener listener) 97 | { 98 | // init swipe to dismiss logic 99 | ItemTouchHelper swipeToDismissTouchHelper = new ItemTouchHelper(new ItemTouchHelper.SimpleCallback(ItemTouchHelper.LEFT, ItemTouchHelper.LEFT) { 100 | 101 | private NinePatchDrawable drawable = (NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.delete_background); 102 | 103 | @Override 104 | public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) { 105 | return false; //no drag-n-drop 106 | } 107 | 108 | @Override 109 | public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) { 110 | listener.onSwipe(viewHolder.getAdapterPosition()); 111 | } 112 | 113 | @Override 114 | public void onChildDraw(Canvas canvas, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive) { 115 | 116 | if (viewHolder instanceof SwipeableViewHolder) { 117 | if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) { 118 | 119 | // Get RecyclerView item from the ViewHolder 120 | View itemView = viewHolder.itemView; 121 | 122 | //x offset // dX is negative value 123 | int xToDraw = (int) (itemView.getRight() + dX); 124 | 125 | //view, which is moved 126 | Rect outer = new Rect(xToDraw, itemView.getTop(), itemView.getRight(), itemView.getBottom()); 127 | 128 | drawable.setBounds(outer); 129 | drawable.draw(canvas); 130 | } 131 | super.onChildDraw(canvas, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive); 132 | } 133 | } 134 | }); 135 | swipeToDismissTouchHelper.attachToRecyclerView(this); 136 | } 137 | } 138 | -------------------------------------------------------------------------------- /app/src/main/java/com/flowolf86/androidswipetodelete/ui/BaseActivity.java: -------------------------------------------------------------------------------- 1 | 2 | package com.flowolf86.androidswipetodelete.ui; 3 | 4 | import android.os.Bundle; 5 | import android.support.annotation.Nullable; 6 | import android.support.v7.app.AppCompatActivity; 7 | import android.support.v7.widget.Toolbar; 8 | import android.view.MenuItem; 9 | import android.view.View; 10 | 11 | /** 12 | * Created by github.com/flowolf86/ on 20.07.15 13 | * 14 | * A base activity handling basic android specific tasks. E.g. Setting up a toolbar or 15 | * handling Android M permissions 16 | */ 17 | public class BaseActivity extends AppCompatActivity { 18 | 19 | private Toolbar mToolbar = null; 20 | 21 | @Override 22 | protected void onCreate(@Nullable Bundle savedInstanceState) { 23 | super.onCreate(savedInstanceState); 24 | } 25 | 26 | @Override 27 | protected void onResume() { 28 | super.onResume(); 29 | 30 | // TODO Marshmallow permissions 31 | // PermissionManager.getInstance().doFullPermissionCheck(this); 32 | } 33 | 34 | @Override 35 | public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { 36 | 37 | // TODO Marshmallow permissions 38 | /*switch (requestCode) { 39 | case PermissionManager.REQUEST_CODE_ASK_CALENDAR_PERMISSION: 40 | if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { 41 | PermissionManager.HAS_CALENDAR_PERMISSIONS = true; 42 | } else { 43 | PermissionManager.HAS_CALENDAR_PERMISSIONS = false; 44 | } 45 | break; 46 | case PermissionManager.REQUEST_CODE_ASK_STORAGE_PERMISSION: 47 | if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { 48 | PermissionManager.HAS_STORAGE_PERMISSIONS = true; 49 | } else { 50 | PermissionManager.HAS_STORAGE_PERMISSIONS = false; 51 | } 52 | break; 53 | case PermissionManager.REQUEST_CODE_ASK_CONTACTS_PERMISSION: 54 | if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { 55 | PermissionManager.HAS_CONTACTS_PERMISSIONS = true; 56 | } else { 57 | PermissionManager.HAS_CONTACTS_PERMISSIONS = false; 58 | } 59 | break; 60 | case PermissionManager.REQUEST_CODE_ASK_LOCATION_PERMISSION: 61 | if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { 62 | PermissionManager.HAS_LOCATION_PERMISSIONS = true; 63 | } else { 64 | PermissionManager.HAS_LOCATION_PERMISSIONS = false; 65 | } 66 | break; 67 | default: 68 | super.onRequestPermissionsResult(requestCode, permissions, grantResults); 69 | }*/ 70 | } 71 | 72 | @Override 73 | public boolean onOptionsItemSelected(final MenuItem menuItem) { 74 | switch (menuItem.getItemId()) { 75 | case android.R.id.home: 76 | this.finish(); 77 | return true; 78 | default: 79 | return super.onOptionsItemSelected(menuItem); 80 | } 81 | } 82 | 83 | /** 84 | * In case we define the toolbar directly in our layout 85 | * 86 | * @param toolbarId 87 | * @param setDisplayHomeAsEnabled 88 | */ 89 | public void setupToolbar(int toolbarId, boolean setDisplayHomeAsEnabled){ 90 | 91 | mToolbar = (Toolbar) findViewById(toolbarId); 92 | 93 | if(mToolbar != null){ 94 | setSupportActionBar(mToolbar); 95 | if(getSupportActionBar() != null) { 96 | getSupportActionBar().setDisplayHomeAsUpEnabled(setDisplayHomeAsEnabled); 97 | } 98 | } 99 | } 100 | 101 | /** 102 | * In case we the toolbar to our layout 103 | * 104 | * @param parentViewId 105 | * @param toolbarId 106 | * @param setDisplayHomeAsEnabled 107 | */ 108 | public void setupToolbar(int parentViewId, int toolbarId, boolean setDisplayHomeAsEnabled){ 109 | 110 | final View view = findViewById(parentViewId); 111 | mToolbar = (Toolbar) view.findViewById(toolbarId); 112 | 113 | if(mToolbar != null){ 114 | setSupportActionBar(mToolbar); 115 | if(getSupportActionBar() != null) { 116 | getSupportActionBar().setDisplayHomeAsUpEnabled(setDisplayHomeAsEnabled); 117 | } 118 | } 119 | } 120 | 121 | /** 122 | * Only use when NOT setting up the toolbar to act as supportActionBar 123 | * If you did, please call #getSupportActionBar() instead 124 | * 125 | * @return 126 | */ 127 | public @Nullable 128 | Toolbar getToolbar(){ 129 | return mToolbar; 130 | } 131 | 132 | /** 133 | * Sets the toolbar title if a toolbar or supportactionbar is available 134 | * 135 | * @param title 136 | * @return 137 | */ 138 | public boolean setToolbarTitle(@Nullable final String title){ 139 | 140 | if(getSupportActionBar() != null){ 141 | getSupportActionBar().setTitle(title); 142 | return true; 143 | }else if(getToolbar() != null){ 144 | getToolbar().setTitle(title); 145 | return true; 146 | } 147 | 148 | return false; 149 | } 150 | } 151 | -------------------------------------------------------------------------------- /app/src/main/java/com/flowolf86/androidswipetodelete/adapter/SimpleListAdapter.java: -------------------------------------------------------------------------------- 1 | 2 | package com.flowolf86.androidswipetodelete.adapter; 3 | 4 | import android.content.Context; 5 | import android.support.annotation.NonNull; 6 | import android.support.annotation.Nullable; 7 | import android.support.v7.widget.RecyclerView; 8 | import android.view.LayoutInflater; 9 | import android.view.View; 10 | import android.view.ViewGroup; 11 | import android.widget.ImageView; 12 | import android.widget.TextView; 13 | 14 | import com.flowolf86.androidswipetodelete.R; 15 | import com.flowolf86.androidswipetodelete.swipetodelete.SwipeToDeleteCompatibleAdapter; 16 | import com.flowolf86.androidswipetodelete.swipetodelete.SwipeToDeleteCompatibleInterface; 17 | import com.flowolf86.androidswipetodelete.util.GuiUtils; 18 | import com.flowolf86.androidswipetodelete.view.SwipeableRecyclerView; 19 | import com.squareup.picasso.Picasso; 20 | 21 | import java.util.ArrayList; 22 | import java.util.List; 23 | 24 | import butterknife.Bind; 25 | import butterknife.ButterKnife; 26 | import github.cesarferreira.rxpeople.models.FakeUser; 27 | 28 | /** 29 | * Created by github.com/flowolf86/ on 20.07.15 30 | * 31 | * A swipe to delete compatible adapter implementation 32 | */ 33 | public class SimpleListAdapter extends SwipeToDeleteCompatibleAdapter { 34 | 35 | private List mData; 36 | private SwipeToDeleteCompatibleInterface mSelectionCallback = null; 37 | 38 | public SimpleListAdapter(@Nullable final List people, @NonNull final SwipeToDeleteCompatibleInterface callback) { 39 | 40 | this.mData = people== null ? new ArrayList(0) : people; 41 | this.mSelectionCallback = callback; 42 | } 43 | 44 | @Override 45 | public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 46 | return new ViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_person, parent, false)); 47 | } 48 | 49 | @Override 50 | public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { 51 | setItemData(holder, mData.get(position)); 52 | } 53 | 54 | private void setItemData(final RecyclerView.ViewHolder viewHolder, final FakeUser person) { 55 | 56 | ((ViewHolder)viewHolder).personTitle.setText(person.getFullName()); 57 | ((ViewHolder)viewHolder).personSubtitle.setText(person.getEmail()); 58 | setupImage(((ViewHolder) viewHolder).personImage, person.getPicture().thumbnail); 59 | } 60 | 61 | /** 62 | * Load list item image using picasso 63 | * 64 | * @param image 65 | * @param imageUrl 66 | */ 67 | private void setupImage(@NonNull final ImageView image, @NonNull final String imageUrl) { 68 | 69 | image.setImageBitmap(null); 70 | Picasso.with(image.getContext()).cancelRequest(image); 71 | Picasso.with(image.getContext()).load(imageUrl).into(image); 72 | } 73 | 74 | @Override 75 | public int getItemCount() { 76 | return mData.size(); 77 | } 78 | 79 | @Override 80 | public long getItemId(final int position) { 81 | return 0; 82 | } 83 | 84 | public List getData(){ 85 | return mData; 86 | } 87 | 88 | /** 89 | * adds the data at an adjusted index. This is important because the absolute index can change depending 90 | * on how many items we swipe to delete. If the stored index is bigger than the size of our current 91 | * data list, we set it to max, therefore adding the item at the end of the list 92 | * 93 | * @param index 94 | * @param data 95 | * @return 96 | */ 97 | public boolean addData(int index, @NonNull Object data) { 98 | 99 | if(data instanceof FakeUser){ 100 | 101 | int adjustedIndex = index < mData.size() ? index : mData.size(); 102 | if(adjustedIndex < 0){ 103 | adjustedIndex = 0; 104 | } 105 | 106 | mData.add(adjustedIndex, (FakeUser) data); 107 | notifyItemInserted(adjustedIndex); 108 | return true; 109 | } 110 | return false; 111 | } 112 | 113 | public int getDataSize() { 114 | return mData.size(); 115 | } 116 | 117 | /** 118 | * update the data contained within this adapter 119 | */ 120 | public void swapData(@Nullable final List objects) { 121 | 122 | this.mData = objects == null ? new ArrayList(0) : objects; 123 | this.notifyDataSetChanged(); 124 | } 125 | 126 | /** 127 | * adapt to the new height of the list after we swiped or added an element 128 | * @param context 129 | * @param view 130 | */ 131 | public void adaptHeight(@NonNull Context context, @NonNull RecyclerView view) { 132 | view.getLayoutParams().height = GuiUtils.calculateScrollableHeightDependOnChildren(context, getDataSize(), R.dimen.list_item_height); 133 | } 134 | 135 | /** 136 | * View holder pattern for person 137 | */ 138 | final class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, SwipeableRecyclerView.SwipeableViewHolder { 139 | 140 | @Bind(R.id.person_title) TextView personTitle; 141 | @Bind(R.id.person_subtitle) TextView personSubtitle; 142 | @Bind(R.id.person_avatar) ImageView personImage; 143 | 144 | public ViewHolder(View view) { 145 | super(view); 146 | ButterKnife.bind(this, view); 147 | view.setOnClickListener(this); 148 | } 149 | 150 | @Override 151 | public void onClick(View v) { 152 | mSelectionCallback.onElementSelected(v, mData.get(getLayoutPosition())); 153 | } 154 | } 155 | } 156 | 157 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # For Cygwin, ensure paths are in UNIX format before anything is touched. 46 | if $cygwin ; then 47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 48 | fi 49 | 50 | # Attempt to set APP_HOME 51 | # Resolve links: $0 may be a link 52 | PRG="$0" 53 | # Need this for relative symlinks. 54 | while [ -h "$PRG" ] ; do 55 | ls=`ls -ld "$PRG"` 56 | link=`expr "$ls" : '.*-> \(.*\)$'` 57 | if expr "$link" : '/.*' > /dev/null; then 58 | PRG="$link" 59 | else 60 | PRG=`dirname "$PRG"`"/$link" 61 | fi 62 | done 63 | SAVED="`pwd`" 64 | cd "`dirname \"$PRG\"`/" >&- 65 | APP_HOME="`pwd -P`" 66 | cd "$SAVED" >&- 67 | 68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 69 | 70 | # Determine the Java command to use to start the JVM. 71 | if [ -n "$JAVA_HOME" ] ; then 72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 73 | # IBM's JDK on AIX uses strange locations for the executables 74 | JAVACMD="$JAVA_HOME/jre/sh/java" 75 | else 76 | JAVACMD="$JAVA_HOME/bin/java" 77 | fi 78 | if [ ! -x "$JAVACMD" ] ; then 79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 80 | 81 | Please set the JAVA_HOME variable in your environment to match the 82 | location of your Java installation." 83 | fi 84 | else 85 | JAVACMD="java" 86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 87 | 88 | Please set the JAVA_HOME variable in your environment to match the 89 | location of your Java installation." 90 | fi 91 | 92 | # Increase the maximum file descriptors if we can. 93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 94 | MAX_FD_LIMIT=`ulimit -H -n` 95 | if [ $? -eq 0 ] ; then 96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 97 | MAX_FD="$MAX_FD_LIMIT" 98 | fi 99 | ulimit -n $MAX_FD 100 | if [ $? -ne 0 ] ; then 101 | warn "Could not set maximum file descriptor limit: $MAX_FD" 102 | fi 103 | else 104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 105 | fi 106 | fi 107 | 108 | # For Darwin, add options to specify how the application appears in the dock 109 | if $darwin; then 110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 111 | fi 112 | 113 | # For Cygwin, switch paths to Windows format before running java 114 | if $cygwin ; then 115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 158 | function splitJvmOpts() { 159 | JVM_OPTS=("$@") 160 | } 161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 163 | 164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 165 | -------------------------------------------------------------------------------- /app/src/main/java/com/flowolf86/androidswipetodelete/ui/SimpleListFragment.java: -------------------------------------------------------------------------------- 1 | 2 | package com.flowolf86.androidswipetodelete.ui; 3 | 4 | import android.os.Bundle; 5 | import android.os.Handler; 6 | import android.support.annotation.NonNull; 7 | import android.support.annotation.UiThread; 8 | import android.support.v4.app.Fragment; 9 | import android.support.v4.widget.SwipeRefreshLayout; 10 | import android.support.v7.widget.DefaultItemAnimator; 11 | import android.support.v7.widget.LinearLayoutManager; 12 | import android.view.LayoutInflater; 13 | import android.view.View; 14 | import android.view.ViewGroup; 15 | import android.widget.TextView; 16 | 17 | import com.flowolf86.androidswipetodelete.R; 18 | import com.flowolf86.androidswipetodelete.adapter.SimpleListAdapter; 19 | import com.flowolf86.androidswipetodelete.swipetodelete.SwipeToDeleteCompatibleInterface; 20 | import com.flowolf86.androidswipetodelete.swipetodelete.SwipeToDeleteHandler; 21 | import com.flowolf86.androidswipetodelete.view.SwipeableRecyclerView; 22 | 23 | import java.util.List; 24 | 25 | import butterknife.Bind; 26 | import butterknife.ButterKnife; 27 | import github.cesarferreira.rxpeople.RxPeople; 28 | import github.cesarferreira.rxpeople.models.FakeUser; 29 | import rx.Subscriber; 30 | import rx.android.schedulers.AndroidSchedulers; 31 | import rx.schedulers.Schedulers; 32 | 33 | /** 34 | * Created by github.com/flowolf86/ on 20.07.15 35 | * 36 | * A list fragment demonstrating the effects of the swipe to delete handler. Can be refreshed via swipe down. 37 | * Demo data powered by RxPeople. 38 | */ 39 | public class SimpleListFragment extends Fragment implements SwipeableRecyclerView.RecyclerViewSwipeListener, SwipeRefreshLayout.OnRefreshListener { 40 | 41 | private SwipeToDeleteHandler mSwipeToDeleteHandler; 42 | 43 | public SimpleListFragment() { } 44 | 45 | public static SimpleListFragment newInstance() { 46 | return new SimpleListFragment(); 47 | } 48 | 49 | @Bind(R.id.swipe_to_refresh) SwipeRefreshLayout mSwipeToRefresh; 50 | @Bind(R.id.people_list) SwipeableRecyclerView mRecyclerView; 51 | @Bind(R.id.empty) TextView mEmptyView; 52 | 53 | private SimpleListAdapter mSimpleListAdapter; 54 | private SwipeToDeleteCompatibleInterface mCallback; 55 | 56 | @Override 57 | public void onCreate(Bundle savedInstanceState) { 58 | super.onCreate(savedInstanceState); 59 | 60 | try { 61 | mCallback = (SwipeToDeleteCompatibleInterface) getActivity(); 62 | } catch (final ClassCastException e) { 63 | throw new ClassCastException(getActivity().toString() + " must implement OnElementSelectedListener"); 64 | } 65 | } 66 | 67 | @Override 68 | public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) { 69 | 70 | final View view = inflater.inflate(R.layout.fragment_simple_list, container, false); 71 | 72 | ButterKnife.bind(this, view); 73 | prepareRecyclerView(); 74 | prepareSwipeToDeleteHandler(view); 75 | prepareSwipeToRefreshHandler(); 76 | 77 | return view; 78 | } 79 | 80 | /** 81 | * Sets up the recycler view with the necessary adapters, listeners and animators 82 | */ 83 | private void prepareRecyclerView() { 84 | 85 | final LinearLayoutManager layoutManager = new LinearLayoutManager(getContext()); 86 | mRecyclerView.setLayoutManager(layoutManager); 87 | mSimpleListAdapter = new SimpleListAdapter(null, mCallback); 88 | mRecyclerView.setAdapter(mSimpleListAdapter); 89 | mRecyclerView.setItemAnimator(new DefaultItemAnimator()); 90 | mRecyclerView.setSwipeListener(this); 91 | } 92 | 93 | /** 94 | * Glue the adapter to the swipe to delete handler 95 | * 96 | * @param view 97 | */ 98 | private void prepareSwipeToDeleteHandler(@NonNull View view) { 99 | 100 | mSwipeToDeleteHandler = new SwipeToDeleteHandler(getContext(), view, new Handler(), mSimpleListAdapter, mCallback, mRecyclerView); 101 | mSwipeToDeleteHandler.setup(mSimpleListAdapter.getData()); 102 | } 103 | 104 | /** 105 | * Set up the swipe to refresh layout 106 | */ 107 | private void prepareSwipeToRefreshHandler() { 108 | 109 | mSwipeToRefresh.setColorSchemeColors(R.color.colorAccent); 110 | mSwipeToRefresh.setOnRefreshListener(this); 111 | } 112 | 113 | @Override 114 | public void onSwipe(int position) { 115 | 116 | // Add the object to the delete queue 117 | mSwipeToDeleteHandler.addDelete(position, mSimpleListAdapter.getData().get(position)); 118 | } 119 | 120 | 121 | @Override 122 | public void onPause() { 123 | 124 | // Finish swipe to delete handler 125 | mSwipeToDeleteHandler.finish(); 126 | super.onPause(); 127 | } 128 | 129 | /** 130 | * Refresh the fragment with 50 random people powered by RxPeople 131 | */ 132 | public void refresh() { 133 | 134 | RxPeople.with(getContext()) 135 | .amount(50) 136 | .intoObservable() 137 | .subscribeOn(Schedulers.io()) 138 | .observeOn(AndroidSchedulers.mainThread()) 139 | .subscribe(new Subscriber>() { 140 | 141 | @Override 142 | public void onCompleted() { 143 | } 144 | 145 | @Override 146 | public void onError(Throwable e) { 147 | setEmptyView(e.getMessage()); 148 | } 149 | 150 | @Override 151 | public void onNext(List people) { 152 | setDataView(people); 153 | } 154 | }); 155 | } 156 | 157 | @UiThread 158 | private void setDataView(List people) { 159 | 160 | mSwipeToRefresh.setRefreshing(false); 161 | 162 | mSwipeToDeleteHandler.reset(people); 163 | if (mSimpleListAdapter != null) { 164 | mSimpleListAdapter.swapData(people); 165 | mSimpleListAdapter.adaptHeight(getContext(), mRecyclerView); 166 | } 167 | } 168 | 169 | @UiThread 170 | private void setEmptyView(String message) { 171 | mEmptyView.setText(message); 172 | } 173 | 174 | @Override 175 | public void onRefresh() { 176 | refresh(); 177 | } 178 | } 179 | -------------------------------------------------------------------------------- /app/src/main/java/com/flowolf86/androidswipetodelete/swipetodelete/SwipeToDeleteHandler.java: -------------------------------------------------------------------------------- 1 | package com.flowolf86.androidswipetodelete.swipetodelete; 2 | 3 | import android.content.Context; 4 | import android.os.Handler; 5 | import android.support.annotation.NonNull; 6 | import android.support.annotation.Nullable; 7 | import android.support.design.widget.Snackbar; 8 | import android.support.v7.widget.RecyclerView; 9 | import android.view.View; 10 | 11 | import com.flowolf86.androidswipetodelete.util.GuiUtils; 12 | 13 | import java.util.List; 14 | import java.util.Map; 15 | import java.util.TreeMap; 16 | import java.util.concurrent.ConcurrentSkipListMap; 17 | 18 | /** 19 | * Created by github.com/flowolf86/ on 20.07.15 20 | * 21 | * A handler handling swipe to delete UNDO actions. This is not trivial 22 | * because of the ability to swipe multiple list elements and restore them 23 | * according to their original position in the recyclerview 24 | */ 25 | public class SwipeToDeleteHandler { 26 | 27 | public static final int USER_UNDO_TIMEFRAME = 4000; 28 | 29 | private Snackbar mCurrentActiveSnackbar = null; 30 | private Context mContext = null; 31 | private View mRootView = null; 32 | private Handler mUiHandler = null; 33 | private RecyclerView mRecyclerView = null; 34 | 35 | // Required stuff 36 | private SwipeToDeleteCompatibleInterface mInterface = null; 37 | private SwipeToDeleteCompatibleAdapter mAdapter = null; 38 | 39 | // Handler callback 40 | private final Runnable mHandlerCallback = new Runnable() { 41 | @Override 42 | public void run() { 43 | 44 | // Copy list to ensure multithreaded safety 45 | TreeMap mDeleteQueueCopy = new TreeMap<>(mDeleteQueue); 46 | 47 | mInterface.onMultipleElementsSwiped(mDeleteQueueCopy); 48 | setUpDeleteQueue(); 49 | 50 | if(mCurrentActiveSnackbar != null){ 51 | mCurrentActiveSnackbar.dismiss(); 52 | mCurrentActiveSnackbar = null; 53 | } 54 | } 55 | }; 56 | 57 | /** 58 | * The queue with trips that have to be deleted if the user swipes more than one trip while the other can still be undone 59 | * 60 | * key = position in list 61 | * value = data of list item at position key 62 | * 63 | */ 64 | private ConcurrentSkipListMap mDeleteQueue = new ConcurrentSkipListMap<>(); 65 | private ConcurrentSkipListMap mRestoreQueue = new ConcurrentSkipListMap<>(); 66 | 67 | public SwipeToDeleteHandler(@NonNull Context context, @NonNull View view, @NonNull Handler uiHandler, 68 | @NonNull T adapter, @NonNull SwipeToDeleteCompatibleInterface callback, 69 | @NonNull RecyclerView recyclerView) { 70 | mContext = context; 71 | mRootView = view; 72 | mUiHandler = uiHandler; 73 | mAdapter = adapter; 74 | mInterface = callback; 75 | mRecyclerView = recyclerView; 76 | } 77 | 78 | public void addDelete(final int currentPosition, final Object value){ 79 | 80 | // We can not use the current position as key in the list here 81 | // because a new item may get the same position after the swipe 82 | // e.g. position 0. Therefore we have to use the key from the 83 | // restore map to store as key in the delete queue too 84 | int restoreIndex = getInitialListPosition(value); 85 | mDeleteQueue.put(restoreIndex, value); 86 | 87 | notifyUser(mRootView); 88 | 89 | mAdapter.getData().remove(value); 90 | mAdapter.notifyItemRemoved(currentPosition); 91 | mAdapter.adaptHeight(mContext, mRecyclerView); 92 | } 93 | 94 | public void setup(@Nullable List data){ 95 | setUpDeleteQueue(); 96 | setUpRestoreQueue(data); 97 | } 98 | 99 | public void reset(@Nullable List data){ 100 | setup(data); 101 | mCurrentActiveSnackbar = null; 102 | } 103 | 104 | public void finish(){ 105 | 106 | mInterface.onMultipleElementsSwiped(mDeleteQueue); 107 | 108 | // Hide snackbar so that it does not show up again if we quickly navigate to the fragment again 109 | if(mCurrentActiveSnackbar != null){ 110 | mCurrentActiveSnackbar.dismiss(); 111 | mCurrentActiveSnackbar = null; 112 | } 113 | } 114 | 115 | /** 116 | * This is an exact copy of the recyclerviews data with the exception of 117 | * having the list position as int key stored linked to the data. 118 | * 119 | * We need this for restoring the list elements later if the user wants 120 | * to undo his remove action. After a swipe of one element the others all 121 | * change position in list leading to potentially duplicated keys and the 122 | * disability to restore trip properly at their previous position 123 | */ 124 | private void setUpRestoreQueue(@Nullable final List data) { 125 | 126 | mRestoreQueue.clear(); 127 | 128 | if(data != null){ 129 | int i = 0; 130 | for(Object object : data){ 131 | mRestoreQueue.put(i, object); 132 | i++; 133 | } 134 | } 135 | } 136 | 137 | /** 138 | * A simple delete queue setup is just clearing the list 139 | */ 140 | private void setUpDeleteQueue() { 141 | mDeleteQueue.clear(); 142 | } 143 | 144 | /** 145 | * Display a snackbar to the user and give him the chance to undo his actions 146 | * 147 | * @param context 148 | * @param view 149 | */ 150 | private void notifyUser(final View view) { 151 | 152 | // If this happens within the old snackbar timeframe, remove the old callback and set a new one 153 | mUiHandler.removeCallbacks(mHandlerCallback); 154 | 155 | // Check if we already have an active snackbar. If yes, extend the duration, if no, show new one 156 | if(mCurrentActiveSnackbar == null){ 157 | 158 | mCurrentActiveSnackbar = GuiUtils.displaySnackbar(view, 159 | "Deleted ("+mDeleteQueue.size()+")", 160 | "UNDO", 161 | new View.OnClickListener() { 162 | @Override 163 | public void onClick(View v) { 164 | 165 | // Remove handler callback 166 | mUiHandler.removeCallbacks(mHandlerCallback); 167 | 168 | // Restore the elements in reverse order 169 | for (Map.Entry entry : mDeleteQueue.entrySet()) { 170 | int insertIndex = getInitialListPosition(entry.getValue()); 171 | mAdapter.addData(insertIndex, entry.getValue()); 172 | } 173 | 174 | mAdapter.adaptHeight(mContext, mRecyclerView); 175 | setUpDeleteQueue(); 176 | mCurrentActiveSnackbar = null; 177 | } 178 | }, GuiUtils.SNACKBAR_NO_DELAY, Snackbar.LENGTH_INDEFINITE); 179 | } else { 180 | 181 | mCurrentActiveSnackbar.setText("Deleted ("+mDeleteQueue.size()+")"); 182 | } 183 | 184 | mUiHandler.postDelayed(mHandlerCallback, USER_UNDO_TIMEFRAME); 185 | } 186 | 187 | private int getInitialListPosition(final Object value) { 188 | 189 | int initialIndex = Integer.MAX_VALUE; 190 | 191 | for(Map.Entry entry : mRestoreQueue.entrySet()){ 192 | 193 | if(value.equals(entry.getValue())){ 194 | initialIndex = entry.getKey(); 195 | break; 196 | } 197 | } 198 | 199 | return initialIndex; 200 | } 201 | } 202 | -------------------------------------------------------------------------------- /app/app.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 8 | 9 | 10 | 11 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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