├── .gitignore
├── .idea
├── gradle.xml
├── misc.xml
├── modules.xml
└── runConfigurations.xml
├── README.md
├── app
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── example
│ │ └── forrestknight
│ │ └── todo_list
│ │ └── ExampleInstrumentedTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── example
│ │ │ └── forrestknight
│ │ │ └── todo_list
│ │ │ └── MainActivity.java
│ └── res
│ │ ├── drawable-v24
│ │ └── ic_launcher_foreground.xml
│ │ ├── drawable
│ │ └── ic_launcher_background.xml
│ │ ├── layout
│ │ └── activity_main.xml
│ │ ├── mipmap-anydpi-v26
│ │ ├── ic_launcher.xml
│ │ └── ic_launcher_round.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
│ │ └── values
│ │ ├── colors.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── com
│ └── example
│ └── forrestknight
│ └── todo_list
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
/.gitignore:
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7 | /build
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9 | .externalNativeBuild
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/README.md:
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1 | # To Do List
2 |
3 | An Android "to-do list" application built for my CS 441 - Mobile App Development course.
4 |
5 | # What I Learned
6 |
7 | * Developed a user interface within the xml file using RelativeLayout, ListView, EditText, & Button.
8 | * Implemented functinality to the UI: onCreate, onAddItem, setupListViewListener, readItems, & writeItems.
9 | * Integrated setOnItemLongClickListener to remove items from the list.
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/app/.gitignore:
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1 | /build
2 |
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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 "com.example.forrestknight.todo_list"
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 | implementation 'commons-io:commons-io:2.4'
29 | }
30 |
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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/com/example/forrestknight/todo_list/ExampleInstrumentedTest.java:
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1 | package com.example.forrestknight.todo_list;
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("com.example.forrestknight.todo_list", appContext.getPackageName());
25 | }
26 | }
27 |
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/com/example/forrestknight/todo_list/MainActivity.java:
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1 | package com.example.forrestknight.todo_list;
2 |
3 | import android.support.v7.app.AppCompatActivity;
4 | import android.os.Bundle;
5 | import android.view.View;
6 | import android.widget.AdapterView;
7 | import android.widget.ArrayAdapter;
8 | import android.widget.EditText;
9 | import android.widget.ListView;
10 |
11 | import org.apache.commons.io.FileUtils;
12 |
13 | import java.io.File;
14 | import java.io.IOException;
15 | import java.util.ArrayList;
16 |
17 | public class MainActivity extends AppCompatActivity {
18 |
19 | ArrayList items;
20 | ArrayAdapter itemsAdapter;
21 | ListView lvItems;
22 |
23 | @Override
24 | protected void onCreate(Bundle savedInstanceState) {
25 | super.onCreate(savedInstanceState);
26 | setContentView(R.layout.activity_main);
27 | lvItems = (ListView) findViewById(R.id.lvItems);
28 | readItems();
29 | itemsAdapter = new ArrayAdapter(this,
30 | android.R.layout.simple_list_item_1, items);
31 | lvItems.setAdapter(itemsAdapter);
32 |
33 | // Setup remove listener method call
34 | setupListViewListener();
35 | }
36 |
37 | // Attaches a long click listener to the listview
38 | private void setupListViewListener() {
39 | lvItems.setOnItemLongClickListener(
40 | new AdapterView.OnItemLongClickListener() {
41 | @Override
42 | public boolean onItemLongClick(AdapterView adapter,
43 | View item, int pos, long id) {
44 | // Remove the item within array at position
45 | items.remove(pos);
46 | // Refresh the adapter
47 | itemsAdapter.notifyDataSetChanged();
48 | writeItems();
49 | // Return true consumes the long click event (marks it handled)
50 | return true;
51 | }
52 |
53 | });
54 | }
55 |
56 | public void onAddItem(View v) {
57 | EditText etNewItem = (EditText) findViewById(R.id.etNewItem);
58 | String itemText = etNewItem.getText().toString();
59 | itemsAdapter.add(itemText);
60 | etNewItem.setText("");
61 | writeItems();
62 | }
63 |
64 | private void readItems() {
65 | File filesDir = getFilesDir();
66 | File todoFile = new File(filesDir, "todo.txt");
67 | try {
68 | items = new ArrayList(FileUtils.readLines(todoFile));
69 | } catch (IOException e) {
70 | items = new ArrayList();
71 | }
72 | }
73 |
74 | private void writeItems() {
75 | File filesDir = getFilesDir();
76 | File todoFile = new File(filesDir, "todo.txt");
77 | try {
78 | FileUtils.writeLines(todoFile, items);
79 | } catch (IOException e) {
80 | e.printStackTrace();
81 | }
82 | }
83 |
84 | }
85 |
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