├── app
├── .gitignore
├── src
│ ├── main
│ │ ├── res
│ │ │ ├── values
│ │ │ │ ├── strings.xml
│ │ │ │ ├── colors.xml
│ │ │ │ ├── arrays.xml
│ │ │ │ └── styles.xml
│ │ │ ├── mipmap-hdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-mdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-xhdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-xxhdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-xxxhdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-anydpi-v26
│ │ │ │ ├── ic_launcher.xml
│ │ │ │ └── ic_launcher_round.xml
│ │ │ ├── menu
│ │ │ │ └── home_menu.xml
│ │ │ ├── layout
│ │ │ │ ├── activity_main.xml
│ │ │ │ ├── single_row.xml
│ │ │ │ ├── activity_add_record.xml
│ │ │ │ └── activity_update_record.xml
│ │ │ ├── drawable-v24
│ │ │ │ └── ic_launcher_foreground.xml
│ │ │ └── drawable
│ │ │ │ └── ic_launcher_background.xml
│ │ ├── AndroidManifest.xml
│ │ └── java
│ │ │ └── info
│ │ │ └── codestart
│ │ │ └── androidsqlitedatabase
│ │ │ ├── model
│ │ │ └── Person.java
│ │ │ ├── AddRecordActivity.java
│ │ │ ├── MainActivity.java
│ │ │ ├── UpdateRecordActivity.java
│ │ │ └── Utils
│ │ │ ├── PersonDBHelper.java
│ │ │ └── PersonAdapter.java
│ ├── test
│ │ └── java
│ │ │ └── info
│ │ │ └── codestart
│ │ │ └── androidsqlitedatabase
│ │ │ └── ExampleUnitTest.java
│ └── androidTest
│ │ └── java
│ │ └── info
│ │ └── codestart
│ │ └── androidsqlitedatabase
│ │ └── ExampleInstrumentedTest.java
├── proguard-rules.pro
└── build.gradle
├── settings.gradle
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── .gitignore
├── .idea
├── vcs.xml
├── modules.xml
├── runConfigurations.xml
├── gradle.xml
└── misc.xml
├── gradle.properties
├── gradlew.bat
└── gradlew
/app/.gitignore:
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1 | /build
2 |
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/settings.gradle:
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1 | include ':app'
2 |
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/app/src/main/res/values/strings.xml:
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1 |
2 | Android SQLite
3 |
4 |
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/RonnyKibet1/Android-SQLite-and-Recyclerview/HEAD/gradle/wrapper/gradle-wrapper.jar
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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/RonnyKibet1/Android-SQLite-and-Recyclerview/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png
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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/RonnyKibet1/Android-SQLite-and-Recyclerview/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/RonnyKibet1/Android-SQLite-and-Recyclerview/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/RonnyKibet1/Android-SQLite-and-Recyclerview/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
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/.gitignore:
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1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/workspace.xml
5 | /.idea/libraries
6 | .DS_Store
7 | /build
8 | /captures
9 | .externalNativeBuild
10 |
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/app/src/main/res/mipmap-hdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-mdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/RonnyKibet1/Android-SQLite-and-Recyclerview/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
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/.idea/vcs.xml:
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/app/src/main/res/values/colors.xml:
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3 | #3F51B5
4 | #303F9F
5 | #FF4081
6 |
7 |
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Mon Nov 13 09:02:03 MST 2017
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-4.1-all.zip
7 |
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/app/src/main/res/values/arrays.xml:
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1 |
2 |
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4 |
5 |
6 | - Name
7 | - Age
8 | - Occupation
9 |
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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
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/app/src/test/java/info/codestart/androidsqlitedatabase/ExampleUnitTest.java:
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1 | package info.codestart.androidsqlitedatabase;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * Example local unit test, which will execute on the development machine (host).
9 | *
10 | * @see Testing documentation
11 | */
12 | public class ExampleUnitTest {
13 | @Test
14 | public void addition_isCorrect() throws Exception {
15 | assertEquals(4, 2 + 2);
16 | }
17 | }
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/.idea/runConfigurations.xml:
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/app/src/main/res/menu/home_menu.xml:
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/app/src/main/res/layout/activity_main.xml:
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/gradle.properties:
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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 | org.gradle.jvmargs=-Xmx1536m
13 |
14 | # When configured, Gradle will run in incubating parallel mode.
15 | # This option should only be used with decoupled projects. More details, visit
16 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
17 | # org.gradle.parallel=true
18 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # You can control the set of applied configuration files using the
3 | # proguardFiles setting in build.gradle.
4 | #
5 | # For more details, see
6 | # http://developer.android.com/guide/developing/tools/proguard.html
7 |
8 | # If your project uses WebView with JS, uncomment the following
9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | # public *;
13 | #}
14 |
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 |
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 |
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/app/src/androidTest/java/info/codestart/androidsqlitedatabase/ExampleInstrumentedTest.java:
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1 | package info.codestart.androidsqlitedatabase;
2 |
3 | import android.content.Context;
4 | import android.support.test.InstrumentationRegistry;
5 | import android.support.test.runner.AndroidJUnit4;
6 |
7 | import org.junit.Test;
8 | import org.junit.runner.RunWith;
9 |
10 | import static org.junit.Assert.*;
11 |
12 | /**
13 | * Instrumented test, which will execute on an Android device.
14 | *
15 | * @see Testing documentation
16 | */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 | @Test
20 | public void useAppContext() throws Exception {
21 | // Context of the app under test.
22 | Context appContext = InstrumentationRegistry.getTargetContext();
23 |
24 | assertEquals("info.codestart.androidsqlitedatabase", appContext.getPackageName());
25 | }
26 | }
27 |
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/app/src/main/AndroidManifest.xml:
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28 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 26
5 | defaultConfig {
6 | applicationId "info.codestart.androidsqlitedatabase"
7 | minSdkVersion 15
8 | targetSdkVersion 26
9 | versionCode 1
10 | versionName "1.0"
11 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
12 | }
13 | buildTypes {
14 | release {
15 | minifyEnabled false
16 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
17 | }
18 | }
19 | }
20 |
21 | dependencies {
22 | implementation fileTree(dir: 'libs', include: ['*.jar'])
23 | implementation 'com.android.support:appcompat-v7:26.1.0'
24 | implementation 'com.android.support.constraint:constraint-layout:1.0.2'
25 | testImplementation 'junit:junit:4.12'
26 | androidTestImplementation 'com.android.support.test:runner:1.0.1'
27 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
28 | compile 'com.android.support:cardview-v7:21.0.+'
29 | compile 'com.android.support:recyclerview-v7:21.0.+'
30 | compile 'com.squareup.picasso:picasso:2.5.2'
31 | }
32 |
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/app/src/main/java/info/codestart/androidsqlitedatabase/model/Person.java:
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1 | package info.codestart.androidsqlitedatabase.model;
2 |
3 | /**
4 | * Created by Ronsoft on 11/13/2017.
5 | */
6 |
7 | public class Person {
8 |
9 | private long id;
10 | private String name;
11 | private String age;
12 | private String occupation;
13 | private String image;
14 |
15 | public Person() {
16 | }
17 |
18 | public Person(String name, String age, String occupation, String image) {
19 | this.name = name;
20 | this.age = age;
21 | this.occupation = occupation;
22 | this.image = image;
23 | }
24 |
25 | public long getId() {
26 | return id;
27 | }
28 |
29 | public void setId(long id) {
30 | this.id = id;
31 | }
32 |
33 | public String getName() {
34 | return name;
35 | }
36 |
37 | public void setName(String name) {
38 | this.name = name;
39 | }
40 |
41 | public String getAge() {
42 | return age;
43 | }
44 |
45 | public void setAge(String age) {
46 | this.age = age;
47 | }
48 |
49 | public String getOccupation() {
50 | return occupation;
51 | }
52 |
53 | public void setOccupation(String occupation) {
54 | this.occupation = occupation;
55 | }
56 |
57 | public String getImage() {
58 | return image;
59 | }
60 |
61 | public void setImage(String image) {
62 | this.image = image;
63 | }
64 | }
65 |
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/app/src/main/res/layout/activity_add_record.xml:
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/gradlew.bat:
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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 |
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/app/src/main/java/info/codestart/androidsqlitedatabase/AddRecordActivity.java:
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1 | package info.codestart.androidsqlitedatabase;
2 |
3 | import android.content.Intent;
4 | import android.support.v7.app.AppCompatActivity;
5 | import android.os.Bundle;
6 | import android.view.View;
7 | import android.widget.Button;
8 | import android.widget.EditText;
9 | import android.widget.Toast;
10 |
11 | import info.codestart.androidsqlitedatabase.Utils.PersonDBHelper;
12 | import info.codestart.androidsqlitedatabase.model.Person;
13 |
14 | public class AddRecordActivity extends AppCompatActivity {
15 |
16 | private EditText mNameEditText;
17 | private EditText mAgeEditText;
18 | private EditText mOccupationEditText;
19 | private EditText mImageEditText;
20 | private Button mAddBtn;
21 |
22 | private PersonDBHelper dbHelper;
23 |
24 | @Override
25 | protected void onCreate(Bundle savedInstanceState) {
26 | super.onCreate(savedInstanceState);
27 | setContentView(R.layout.activity_add_record);
28 |
29 | //init
30 | mNameEditText = (EditText)findViewById(R.id.userName);
31 | mAgeEditText = (EditText)findViewById(R.id.userAge);
32 | mOccupationEditText = (EditText)findViewById(R.id.userOccupation);
33 | mImageEditText = (EditText)findViewById(R.id.userProfileImageLink);
34 | mAddBtn = (Button)findViewById(R.id.addNewUserButton);
35 |
36 | //listen to add button click
37 | mAddBtn.setOnClickListener(new View.OnClickListener() {
38 | @Override
39 | public void onClick(View view) {
40 | //call the save person method
41 | savePerson();
42 | }
43 | });
44 |
45 | }
46 |
47 | private void savePerson(){
48 | String name = mNameEditText.getText().toString().trim();
49 | String age = mAgeEditText.getText().toString().trim();
50 | String occupation = mOccupationEditText.getText().toString().trim();
51 | String image = mImageEditText.getText().toString().trim();
52 | dbHelper = new PersonDBHelper(this);
53 |
54 | if(name.isEmpty()){
55 | //error name is empty
56 | Toast.makeText(this, "You must enter a name", Toast.LENGTH_SHORT).show();
57 | }
58 |
59 | if(age.isEmpty()){
60 | //error name is empty
61 | Toast.makeText(this, "You must enter an age", Toast.LENGTH_SHORT).show();
62 | }
63 |
64 | if(occupation.isEmpty()){
65 | //error name is empty
66 | Toast.makeText(this, "You must enter an occupation", Toast.LENGTH_SHORT).show();
67 | }
68 |
69 | if(image.isEmpty()){
70 | //error name is empty
71 | Toast.makeText(this, "You must enter an image link", Toast.LENGTH_SHORT).show();
72 | }
73 |
74 | //create new person
75 | Person person = new Person(name, age, occupation, image);
76 | dbHelper.saveNewPerson(person);
77 |
78 | //finally redirect back home
79 | // NOTE you can implement an sqlite callback then redirect on success delete
80 | goBackHome();
81 |
82 | }
83 |
84 | private void goBackHome(){
85 | startActivity(new Intent(AddRecordActivity.this, MainActivity.class));
86 | }
87 | }
88 |
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/app/src/main/java/info/codestart/androidsqlitedatabase/MainActivity.java:
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1 | package info.codestart.androidsqlitedatabase;
2 |
3 | import android.content.Intent;
4 | import android.os.Bundle;
5 | import android.support.v4.view.MenuItemCompat;
6 | import android.support.v7.app.AppCompatActivity;
7 | import android.support.v7.widget.LinearLayoutManager;
8 | import android.support.v7.widget.RecyclerView;
9 | import android.view.Menu;
10 | import android.view.MenuInflater;
11 | import android.view.MenuItem;
12 | import android.view.View;
13 | import android.widget.AdapterView;
14 | import android.widget.ArrayAdapter;
15 | import android.widget.Spinner;
16 |
17 | import info.codestart.androidsqlitedatabase.Utils.PersonAdapter;
18 | import info.codestart.androidsqlitedatabase.Utils.PersonDBHelper;
19 |
20 | public class MainActivity extends AppCompatActivity {
21 |
22 | private RecyclerView mRecyclerView;
23 | private RecyclerView.LayoutManager mLayoutManager;
24 | private PersonDBHelper dbHelper;
25 | private PersonAdapter adapter;
26 | private String filter = "";
27 |
28 | @Override
29 | protected void onCreate(Bundle savedInstanceState) {
30 | super.onCreate(savedInstanceState);
31 | setContentView(R.layout.activity_main);
32 |
33 |
34 | //initialize the variables
35 | mRecyclerView = (RecyclerView)findViewById(R.id.recyclerView);
36 | mRecyclerView.setHasFixedSize(true);
37 | // use a linear layout manager
38 | mLayoutManager = new LinearLayoutManager(this);
39 | mRecyclerView.setLayoutManager(mLayoutManager);
40 |
41 | //populate recyclerview
42 | populaterecyclerView(filter);
43 |
44 |
45 | }
46 |
47 | private void populaterecyclerView(String filter){
48 | dbHelper = new PersonDBHelper(this);
49 | adapter = new PersonAdapter(dbHelper.peopleList(filter), this, mRecyclerView);
50 | mRecyclerView.setAdapter(adapter);
51 |
52 | }
53 |
54 | @Override
55 | public boolean onCreateOptionsMenu(Menu menu) {
56 | MenuInflater inflater = getMenuInflater();
57 | inflater.inflate(R.menu.home_menu, menu);
58 |
59 | MenuItem item = menu.findItem(R.id.filterSpinner);
60 | Spinner spinner = (Spinner) MenuItemCompat.getActionView(item);
61 |
62 | final ArrayAdapter adapter = ArrayAdapter.createFromResource(this,
63 | R.array.filterOptions, android.R.layout.simple_spinner_item);
64 | adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
65 |
66 |
67 | spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
68 | @Override
69 | public void onItemSelected(AdapterView> parent, View view, int position, long id) {
70 | String filter = parent.getSelectedItem().toString();
71 | populaterecyclerView(filter);
72 | }
73 |
74 | @Override
75 | public void onNothingSelected(AdapterView> parent) {
76 | populaterecyclerView(filter);
77 | }
78 | });
79 |
80 |
81 | spinner.setAdapter(adapter);
82 | return true;
83 | }
84 |
85 | @Override
86 | public boolean onOptionsItemSelected(MenuItem item) {
87 | // Handle item selection
88 | switch (item.getItemId()) {
89 | case R.id.addMenu:
90 | goToAddUserActivity();
91 | return true;
92 | default:
93 | return super.onOptionsItemSelected(item);
94 | }
95 | }
96 |
97 | private void goToAddUserActivity(){
98 | Intent intent = new Intent(MainActivity.this, AddRecordActivity.class);
99 | startActivity(intent);
100 | }
101 |
102 | @Override
103 | protected void onResume() {
104 | super.onResume();
105 | adapter.notifyDataSetChanged();
106 | }
107 | }
108 |
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/app/src/main/java/info/codestart/androidsqlitedatabase/UpdateRecordActivity.java:
--------------------------------------------------------------------------------
1 | package info.codestart.androidsqlitedatabase;
2 |
3 | import android.content.Intent;
4 | import android.os.Bundle;
5 | import android.support.v7.app.AppCompatActivity;
6 | import android.view.View;
7 | import android.widget.Button;
8 | import android.widget.EditText;
9 | import android.widget.Toast;
10 |
11 | import info.codestart.androidsqlitedatabase.Utils.PersonDBHelper;
12 | import info.codestart.androidsqlitedatabase.model.Person;
13 |
14 | public class UpdateRecordActivity extends AppCompatActivity {
15 |
16 | private EditText mNameEditText;
17 | private EditText mAgeEditText;
18 | private EditText mOccupationEditText;
19 | private EditText mImageEditText;
20 | private Button mUpdateBtn;
21 |
22 | private PersonDBHelper dbHelper;
23 | private long receivedPersonId;
24 |
25 | @Override
26 | protected void onCreate(Bundle savedInstanceState) {
27 | super.onCreate(savedInstanceState);
28 | setContentView(R.layout.activity_update_record);
29 |
30 | //init
31 | mNameEditText = (EditText)findViewById(R.id.userNameUpdate);
32 | mAgeEditText = (EditText)findViewById(R.id.userAgeUpdate);
33 | mOccupationEditText = (EditText)findViewById(R.id.userOccupationUpdate);
34 | mImageEditText = (EditText)findViewById(R.id.userProfileImageLinkUpdate);
35 | mUpdateBtn = (Button)findViewById(R.id.updateUserButton);
36 |
37 | dbHelper = new PersonDBHelper(this);
38 |
39 | try {
40 | //get intent to get person id
41 | receivedPersonId = getIntent().getLongExtra("USER_ID", 1);
42 | } catch (Exception e) {
43 | e.printStackTrace();
44 | }
45 |
46 | /***populate user data before update***/
47 | Person queriedPerson = dbHelper.getPerson(receivedPersonId);
48 | //set field to this user data
49 | mNameEditText.setText(queriedPerson.getName());
50 | mAgeEditText.setText(queriedPerson.getAge());
51 | mOccupationEditText.setText(queriedPerson.getOccupation());
52 | mImageEditText.setText(queriedPerson.getImage());
53 |
54 |
55 |
56 | //listen to add button click to update
57 | mUpdateBtn.setOnClickListener(new View.OnClickListener() {
58 | @Override
59 | public void onClick(View view) {
60 | //call the save person method
61 | updatePerson();
62 | }
63 | });
64 |
65 |
66 |
67 |
68 |
69 | }
70 |
71 | private void updatePerson(){
72 | String name = mNameEditText.getText().toString().trim();
73 | String age = mAgeEditText.getText().toString().trim();
74 | String occupation = mOccupationEditText.getText().toString().trim();
75 | String image = mImageEditText.getText().toString().trim();
76 |
77 |
78 | if(name.isEmpty()){
79 | //error name is empty
80 | Toast.makeText(this, "You must enter a name", Toast.LENGTH_SHORT).show();
81 | }
82 |
83 | if(age.isEmpty()){
84 | //error name is empty
85 | Toast.makeText(this, "You must enter an age", Toast.LENGTH_SHORT).show();
86 | }
87 |
88 | if(occupation.isEmpty()){
89 | //error name is empty
90 | Toast.makeText(this, "You must enter an occupation", Toast.LENGTH_SHORT).show();
91 | }
92 |
93 | if(image.isEmpty()){
94 | //error name is empty
95 | Toast.makeText(this, "You must enter an image link", Toast.LENGTH_SHORT).show();
96 | }
97 |
98 | //create updated person
99 | Person updatedPerson = new Person(name, age, occupation, image);
100 |
101 | //call dbhelper update
102 | dbHelper.updatePersonRecord(receivedPersonId, this, updatedPerson);
103 |
104 | //finally redirect back home
105 | // NOTE you can implement an sqlite callback then redirect on success delete
106 | goBackHome();
107 |
108 | }
109 |
110 | private void goBackHome(){
111 | startActivity(new Intent(this, MainActivity.class));
112 | }
113 | }
114 |
--------------------------------------------------------------------------------
/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 | # Attempt to set APP_HOME
46 | # Resolve links: $0 may be a link
47 | PRG="$0"
48 | # Need this for relative symlinks.
49 | while [ -h "$PRG" ] ; do
50 | ls=`ls -ld "$PRG"`
51 | link=`expr "$ls" : '.*-> \(.*\)$'`
52 | if expr "$link" : '/.*' > /dev/null; then
53 | PRG="$link"
54 | else
55 | PRG=`dirname "$PRG"`"/$link"
56 | fi
57 | done
58 | SAVED="`pwd`"
59 | cd "`dirname \"$PRG\"`/" >/dev/null
60 | APP_HOME="`pwd -P`"
61 | cd "$SAVED" >/dev/null
62 |
63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
64 |
65 | # Determine the Java command to use to start the JVM.
66 | if [ -n "$JAVA_HOME" ] ; then
67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
68 | # IBM's JDK on AIX uses strange locations for the executables
69 | JAVACMD="$JAVA_HOME/jre/sh/java"
70 | else
71 | JAVACMD="$JAVA_HOME/bin/java"
72 | fi
73 | if [ ! -x "$JAVACMD" ] ; then
74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
75 |
76 | Please set the JAVA_HOME variable in your environment to match the
77 | location of your Java installation."
78 | fi
79 | else
80 | JAVACMD="java"
81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
82 |
83 | Please set the JAVA_HOME variable in your environment to match the
84 | location of your Java installation."
85 | fi
86 |
87 | # Increase the maximum file descriptors if we can.
88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
89 | MAX_FD_LIMIT=`ulimit -H -n`
90 | if [ $? -eq 0 ] ; then
91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
92 | MAX_FD="$MAX_FD_LIMIT"
93 | fi
94 | ulimit -n $MAX_FD
95 | if [ $? -ne 0 ] ; then
96 | warn "Could not set maximum file descriptor limit: $MAX_FD"
97 | fi
98 | else
99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
100 | fi
101 | fi
102 |
103 | # For Darwin, add options to specify how the application appears in the dock
104 | if $darwin; then
105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
106 | fi
107 |
108 | # For Cygwin, switch paths to Windows format before running java
109 | if $cygwin ; then
110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
112 | JAVACMD=`cygpath --unix "$JAVACMD"`
113 |
114 | # We build the pattern for arguments to be converted via cygpath
115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
116 | SEP=""
117 | for dir in $ROOTDIRSRAW ; do
118 | ROOTDIRS="$ROOTDIRS$SEP$dir"
119 | SEP="|"
120 | done
121 | OURCYGPATTERN="(^($ROOTDIRS))"
122 | # Add a user-defined pattern to the cygpath arguments
123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
125 | fi
126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
127 | i=0
128 | for arg in "$@" ; do
129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
131 |
132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
134 | else
135 | eval `echo args$i`="\"$arg\""
136 | fi
137 | i=$((i+1))
138 | done
139 | case $i in
140 | (0) set -- ;;
141 | (1) set -- "$args0" ;;
142 | (2) set -- "$args0" "$args1" ;;
143 | (3) set -- "$args0" "$args1" "$args2" ;;
144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
150 | esac
151 | fi
152 |
153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
154 | function splitJvmOpts() {
155 | JVM_OPTS=("$@")
156 | }
157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
159 |
160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
161 |
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/app/src/main/java/info/codestart/androidsqlitedatabase/Utils/PersonDBHelper.java:
--------------------------------------------------------------------------------
1 | package info.codestart.androidsqlitedatabase.Utils;
2 |
3 | import android.content.ContentValues;
4 | import android.content.Context;
5 | import android.database.Cursor;
6 | import android.database.sqlite.SQLiteDatabase;
7 | import android.database.sqlite.SQLiteOpenHelper;
8 | import android.widget.Toast;
9 |
10 | import java.util.LinkedList;
11 | import java.util.List;
12 |
13 | import info.codestart.androidsqlitedatabase.model.Person;
14 |
15 | /**
16 | * Created by Ronsoft on 9/16/2017.
17 | */
18 |
19 | public class PersonDBHelper extends SQLiteOpenHelper {
20 |
21 | public static final String DATABASE_NAME = "people.db";
22 | private static final int DATABASE_VERSION = 3 ;
23 | public static final String TABLE_NAME = "People";
24 | public static final String COLUMN_ID = "_id";
25 | public static final String COLUMN_PERSON_NAME = "name";
26 | public static final String COLUMN_PERSON_AGE = "age";
27 | public static final String COLUMN_PERSON_OCCUPATION = "occupation";
28 | public static final String COLUMN_PERSON_IMAGE = "image";
29 |
30 |
31 | public PersonDBHelper(Context context) {
32 | super(context, DATABASE_NAME , null, DATABASE_VERSION);
33 | }
34 |
35 | @Override
36 | public void onCreate(SQLiteDatabase db) {
37 | db.execSQL(" CREATE TABLE " + TABLE_NAME + " (" +
38 | COLUMN_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " +
39 | COLUMN_PERSON_NAME + " TEXT NOT NULL, " +
40 | COLUMN_PERSON_AGE + " NUMBER NOT NULL, " +
41 | COLUMN_PERSON_OCCUPATION + " TEXT NOT NULL, " +
42 | COLUMN_PERSON_IMAGE + " BLOB NOT NULL);"
43 | );
44 |
45 | }
46 |
47 | @Override
48 | public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
49 | // you can implement here migration process
50 | db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
51 | this.onCreate(db);
52 | }
53 | /**create record**/
54 | public void saveNewPerson(Person person) {
55 |
56 | SQLiteDatabase db = this.getWritableDatabase();
57 | ContentValues values = new ContentValues();
58 | values.put(COLUMN_PERSON_NAME, person.getName());
59 | values.put(COLUMN_PERSON_AGE, person.getAge());
60 | values.put(COLUMN_PERSON_OCCUPATION, person.getOccupation());
61 | values.put(COLUMN_PERSON_IMAGE, person.getImage());
62 |
63 | // insert
64 | db.insert(TABLE_NAME,null, values);
65 | db.close();
66 | }
67 |
68 | /**Query records, give options to filter results**/
69 | public List peopleList(String filter) {
70 | String query;
71 | if(filter.equals("")){
72 | //regular query
73 | query = "SELECT * FROM " + TABLE_NAME;
74 | }else{
75 | //filter results by filter option provided
76 | query = "SELECT * FROM " + TABLE_NAME + " ORDER BY "+ filter;
77 | }
78 |
79 | List personLinkedList = new LinkedList<>();
80 | SQLiteDatabase db = this.getWritableDatabase();
81 | Cursor cursor = db.rawQuery(query, null);
82 | Person person;
83 |
84 | if (cursor.moveToFirst()) {
85 | do {
86 | person = new Person();
87 |
88 | person.setId(cursor.getLong(cursor.getColumnIndex(COLUMN_ID)));
89 | person.setName(cursor.getString(cursor.getColumnIndex(COLUMN_PERSON_NAME)));
90 | person.setAge(cursor.getString(cursor.getColumnIndex(COLUMN_PERSON_AGE)));
91 | person.setOccupation(cursor.getString(cursor.getColumnIndex(COLUMN_PERSON_OCCUPATION)));
92 | person.setImage(cursor.getString(cursor.getColumnIndex(COLUMN_PERSON_IMAGE)));
93 | personLinkedList.add(person);
94 | } while (cursor.moveToNext());
95 | }
96 |
97 |
98 | return personLinkedList;
99 | }
100 |
101 | /**Query only 1 record**/
102 | public Person getPerson(long id){
103 | SQLiteDatabase db = this.getWritableDatabase();
104 | String query = "SELECT * FROM " + TABLE_NAME + " WHERE _id="+ id;
105 | Cursor cursor = db.rawQuery(query, null);
106 |
107 | Person receivedPerson = new Person();
108 | if(cursor.getCount() > 0) {
109 | cursor.moveToFirst();
110 |
111 | receivedPerson.setName(cursor.getString(cursor.getColumnIndex(COLUMN_PERSON_NAME)));
112 | receivedPerson.setAge(cursor.getString(cursor.getColumnIndex(COLUMN_PERSON_AGE)));
113 | receivedPerson.setOccupation(cursor.getString(cursor.getColumnIndex(COLUMN_PERSON_OCCUPATION)));
114 | receivedPerson.setImage(cursor.getString(cursor.getColumnIndex(COLUMN_PERSON_IMAGE)));
115 | }
116 |
117 |
118 |
119 | return receivedPerson;
120 |
121 |
122 | }
123 |
124 |
125 | /**delete record**/
126 | public void deletePersonRecord(long id, Context context) {
127 | SQLiteDatabase db = this.getWritableDatabase();
128 |
129 | db.execSQL("DELETE FROM "+TABLE_NAME+" WHERE _id='"+id+"'");
130 | Toast.makeText(context, "Deleted successfully.", Toast.LENGTH_SHORT).show();
131 |
132 | }
133 |
134 | /**update record**/
135 | public void updatePersonRecord(long personId, Context context, Person updatedperson) {
136 | SQLiteDatabase db = this.getWritableDatabase();
137 | //you can use the constants above instead of typing the column names
138 | db.execSQL("UPDATE "+TABLE_NAME+" SET name ='"+ updatedperson.getName() + "', age ='" + updatedperson.getAge()+ "', occupation ='"+ updatedperson.getOccupation() + "', image ='"+ updatedperson.getImage() + "' WHERE _id='" + personId + "'");
139 | Toast.makeText(context, "Updated successfully.", Toast.LENGTH_SHORT).show();
140 |
141 |
142 | }
143 |
144 |
145 |
146 |
147 | }
148 |
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/app/src/main/res/drawable/ic_launcher_background.xml:
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1 |
2 |
7 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
50 |
55 |
60 |
65 |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
105 |
110 |
115 |
120 |
125 |
130 |
135 |
140 |
145 |
150 |
155 |
160 |
165 |
170 |
171 |
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/app/src/main/java/info/codestart/androidsqlitedatabase/Utils/PersonAdapter.java:
--------------------------------------------------------------------------------
1 | package info.codestart.androidsqlitedatabase.Utils;
2 |
3 |
4 | import android.app.AlertDialog;
5 | import android.content.Context;
6 | import android.content.DialogInterface;
7 | import android.content.Intent;
8 | import android.support.v7.widget.RecyclerView;
9 | import android.view.LayoutInflater;
10 | import android.view.View;
11 | import android.view.ViewGroup;
12 | import android.widget.ImageView;
13 | import android.widget.TextView;
14 |
15 | import com.squareup.picasso.Picasso;
16 |
17 | import java.util.List;
18 |
19 | import info.codestart.androidsqlitedatabase.R;
20 | import info.codestart.androidsqlitedatabase.UpdateRecordActivity;
21 | import info.codestart.androidsqlitedatabase.model.Person;
22 |
23 | public class PersonAdapter extends RecyclerView.Adapter {
24 | private List mPeopleList;
25 | private Context mContext;
26 | private RecyclerView mRecyclerV;
27 |
28 |
29 | // Provide a reference to the views for each data item
30 | // Complex data items may need more than one view per item, and
31 | // you provide access to all the views for a data item in a view holder
32 | public class ViewHolder extends RecyclerView.ViewHolder {
33 | // each data item is just a string in this case
34 | public TextView personNameTxtV;
35 | public TextView personAgeTxtV;
36 | public TextView personOccupationTxtV;
37 | public ImageView personImageImgV;
38 |
39 |
40 | public View layout;
41 |
42 | public ViewHolder(View v) {
43 | super(v);
44 | layout = v;
45 | personNameTxtV = (TextView) v.findViewById(R.id.name);
46 | personAgeTxtV = (TextView) v.findViewById(R.id.age);
47 | personOccupationTxtV = (TextView) v.findViewById(R.id.occupation);
48 | personImageImgV = (ImageView) v.findViewById(R.id.image);
49 |
50 |
51 |
52 |
53 | }
54 | }
55 |
56 | public void add(int position, Person person) {
57 | mPeopleList.add(position, person);
58 | notifyItemInserted(position);
59 | }
60 |
61 | public void remove(int position) {
62 | mPeopleList.remove(position);
63 | notifyItemRemoved(position);
64 | }
65 |
66 |
67 |
68 | // Provide a suitable constructor (depends on the kind of dataset)
69 | public PersonAdapter(List myDataset, Context context, RecyclerView recyclerView) {
70 | mPeopleList = myDataset;
71 | mContext = context;
72 | mRecyclerV = recyclerView;
73 | }
74 |
75 | // Create new views (invoked by the layout manager)
76 | @Override
77 | public PersonAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
78 | int viewType) {
79 | // create a new view
80 | LayoutInflater inflater = LayoutInflater.from(
81 | parent.getContext());
82 | View v =
83 | inflater.inflate(R.layout.single_row, parent, false);
84 | // set the view's size, margins, paddings and layout parameters
85 | ViewHolder vh = new ViewHolder(v);
86 | return vh;
87 | }
88 |
89 | // Replace the contents of a view (invoked by the layout manager)
90 | @Override
91 | public void onBindViewHolder(ViewHolder holder, final int position) {
92 | // - get element from your dataset at this position
93 | // - replace the contents of the view with that element
94 |
95 | final Person person = mPeopleList.get(position);
96 | holder.personNameTxtV.setText("Name: " + person.getName());
97 | holder.personAgeTxtV.setText("Age: " + person.getAge());
98 | holder.personOccupationTxtV.setText("Occupation: " + person.getOccupation());
99 | Picasso.with(mContext).load(person.getImage()).placeholder(R.mipmap.ic_launcher).into(holder.personImageImgV);
100 |
101 | //listen to single view layout click
102 | holder.layout.setOnClickListener(new View.OnClickListener() {
103 | @Override
104 | public void onClick(View v) {
105 | AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
106 | builder.setTitle("Choose option");
107 | builder.setMessage("Update or delete user?");
108 | builder.setPositiveButton("Update", new DialogInterface.OnClickListener() {
109 | @Override
110 | public void onClick(DialogInterface dialog, int which) {
111 |
112 | //go to update activity
113 | goToUpdateActivity(person.getId());
114 |
115 | }
116 | });
117 | builder.setNeutralButton("Delete", new DialogInterface.OnClickListener() {
118 | @Override
119 | public void onClick(DialogInterface dialog, int which) {
120 | PersonDBHelper dbHelper = new PersonDBHelper(mContext);
121 | dbHelper.deletePersonRecord(person.getId(), mContext);
122 |
123 | mPeopleList.remove(position);
124 | mRecyclerV.removeViewAt(position);
125 | notifyItemRemoved(position);
126 | notifyItemRangeChanged(position, mPeopleList.size());
127 | notifyDataSetChanged();
128 | }
129 | });
130 | builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
131 | @Override
132 | public void onClick(DialogInterface dialog, int which) {
133 | dialog.dismiss();
134 | }
135 | });
136 | builder.create().show();
137 | }
138 | });
139 |
140 |
141 | }
142 |
143 | private void goToUpdateActivity(long personId){
144 | Intent goToUpdate = new Intent(mContext, UpdateRecordActivity.class);
145 | goToUpdate.putExtra("USER_ID", personId);
146 | mContext.startActivity(goToUpdate);
147 | }
148 |
149 |
150 |
151 | // Return the size of your dataset (invoked by the layout manager)
152 | @Override
153 | public int getItemCount() {
154 | return mPeopleList.size();
155 | }
156 |
157 |
158 |
159 | }
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