├── .DS_Store ├── ImageBase64Encoder.jar ├── ImageBase64Encoder ├── .gitignore ├── .idea │ ├── .name │ ├── compiler.xml │ ├── copyright │ │ └── profiles_settings.xml │ ├── gradle.xml │ ├── misc.xml │ ├── modules.xml │ ├── runConfigurations.xml │ └── vcs.xml ├── app │ ├── .gitignore │ ├── build.gradle │ ├── proguard-rules.pro │ ├── release │ │ └── ImageBase64Encoder.jar │ └── src │ │ ├── androidTest │ │ └── java │ │ │ └── com │ │ │ └── kosalgeek │ │ │ └── android │ │ │ └── imagebase64encoder │ │ │ └── ApplicationTest.java │ │ ├── main │ │ ├── AndroidManifest.xml │ │ ├── java │ │ │ └── com │ │ │ │ └── kosalgeek │ │ │ │ └── android │ │ │ │ └── imagebase64encoder │ │ │ │ ├── ImageBase64.java │ │ │ │ └── MainActivity.java │ │ └── res │ │ │ ├── layout │ │ │ ├── activity_main.xml │ │ │ └── content_main.xml │ │ │ ├── menu │ │ │ └── menu_main.xml │ │ │ ├── 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 │ │ │ ├── values-v21 │ │ │ └── styles.xml │ │ │ ├── values-w820dp │ │ │ └── dimens.xml │ │ │ └── values │ │ │ ├── colors.xml │ │ │ ├── dimens.xml │ │ │ ├── strings.xml │ │ │ └── styles.xml │ │ └── test │ │ └── java │ │ └── com │ │ └── kosalgeek │ │ └── android │ │ └── imagebase64encoder │ │ └── ExampleUnitTest.java ├── build.gradle ├── gradle.properties ├── gradle │ └── wrapper │ │ ├── gradle-wrapper.jar │ │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle └── README.md /.DS_Store: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kosalgeek/ImageBase64Encoder/68c6185690b2a0626b5662a6cf08542ccc64cdbe/.DS_Store -------------------------------------------------------------------------------- /ImageBase64Encoder.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kosalgeek/ImageBase64Encoder/68c6185690b2a0626b5662a6cf08542ccc64cdbe/ImageBase64Encoder.jar -------------------------------------------------------------------------------- /ImageBase64Encoder/.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | -------------------------------------------------------------------------------- /ImageBase64Encoder/.idea/.name: -------------------------------------------------------------------------------- 1 | ImageBase64Encoder -------------------------------------------------------------------------------- /ImageBase64Encoder/.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /ImageBase64Encoder/.idea/copyright/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /ImageBase64Encoder/.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | -------------------------------------------------------------------------------- /ImageBase64Encoder/.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 | 44 | 46 | -------------------------------------------------------------------------------- /ImageBase64Encoder/.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /ImageBase64Encoder/.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /ImageBase64Encoder/.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.library' 2 | 3 | 4 | android { 5 | compileSdkVersion 23 6 | buildToolsVersion "23.0.2" 7 | 8 | defaultConfig { 9 | minSdkVersion 15 10 | targetSdkVersion 23 11 | } 12 | buildTypes { 13 | release { 14 | minifyEnabled false 15 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 16 | } 17 | } 18 | } 19 | 20 | dependencies { 21 | compile fileTree(dir: 'libs', include: ['*.jar']) 22 | testCompile 'junit:junit:4.12' 23 | compile 'com.android.support:appcompat-v7:23.2.0' 24 | compile 'com.android.support:design:23.2.0' 25 | } 26 | 27 | task deleteOldJar(type: Delete){ 28 | delete 'release/ImageBase64Encoder.jar' 29 | } 30 | 31 | task exportJar(type: Copy){ 32 | from('build/intermediates/bundles/release') 33 | into('release/') 34 | include('classes.jar') 35 | rename('classes.jar', 'ImageBase64Encoder.jar') 36 | } 37 | 38 | exportJar.dependsOn(deleteOldJar, build) 39 | 40 | -------------------------------------------------------------------------------- /ImageBase64Encoder/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/kosalmac/Library/Android/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 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/release/ImageBase64Encoder.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kosalgeek/ImageBase64Encoder/68c6185690b2a0626b5662a6cf08542ccc64cdbe/ImageBase64Encoder/app/release/ImageBase64Encoder.jar -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/androidTest/java/com/kosalgeek/android/imagebase64encoder/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package com.kosalgeek.android.imagebase64encoder; 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 | } -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/java/com/kosalgeek/android/imagebase64encoder/ImageBase64.java: -------------------------------------------------------------------------------- 1 | package com.kosalgeek.android.imagebase64encoder; 2 | 3 | import android.content.Context; 4 | import android.graphics.Bitmap; 5 | import android.graphics.BitmapFactory; 6 | import android.util.Base64; 7 | 8 | import java.io.ByteArrayOutputStream; 9 | import java.io.File; 10 | import java.io.FileNotFoundException; 11 | 12 | public class ImageBase64 { 13 | final String TAG = this.getClass().getName(); 14 | 15 | private Context context; 16 | 17 | private static ImageBase64 instance; 18 | 19 | private int width = 128, height = 128; //default 20 | 21 | private boolean noScale; 22 | 23 | private ImageBase64(Context context){ 24 | if (context == null) { 25 | throw new IllegalArgumentException("Context must not be null."); 26 | } 27 | this.context = context; 28 | } 29 | 30 | /** 31 | * create a Singleton object and set a Context. 32 | * @param context 33 | * @return ImageBase64 34 | */ 35 | 36 | public static ImageBase64 with(Context context){ 37 | if(instance == null){ 38 | synchronized (ImageBase64.class) { 39 | if(instance == null){ 40 | instance = new ImageBase64(context); 41 | } 42 | } 43 | } 44 | return instance; 45 | } 46 | 47 | /** 48 | * Request width and height. These are used to calculate to find the best fit for width and height. 49 | * The image will only scale down but not stretching. Be default, width = 128px and height = 128. 50 | * @param width 51 | * @param height 52 | * @return ImageBase64 53 | */ 54 | public ImageBase64 requestSize(int width, int height) { 55 | this.height = width; 56 | this.width = height; 57 | return instance; 58 | } 59 | 60 | /** 61 | * set no scale 62 | * @return ImageBase64 63 | */ 64 | 65 | public ImageBase64 noScale(){ 66 | this.noScale = true; 67 | return instance; 68 | } 69 | 70 | /** 71 | * Encode an resource image (drawable) into a base64 image. 72 | * @param resId 73 | * @return String: an encoded image in base64 String format. 74 | */ 75 | public String encodeResource(int resId){ 76 | Bitmap bitmap = null; 77 | if(noScale){ 78 | bitmap = decodeResource(resId); 79 | } 80 | else{ 81 | bitmap = decodeSampledBitmapFromResource(resId, width, height); 82 | } 83 | 84 | String encodedImage = encodeImageToString(bitmap); 85 | 86 | return encodedImage; 87 | } 88 | 89 | /** 90 | * Encode an image into a base64 image. 91 | * @param filePath 92 | * @return String: an encoded image in base64 String format. 93 | * @throws FileNotFoundException 94 | */ 95 | public String encodeFile(String filePath) throws FileNotFoundException { 96 | 97 | Bitmap bitmap = null; 98 | if(noScale){ 99 | bitmap = decodeFile(filePath); 100 | } 101 | else{ 102 | bitmap = decodeSampledBitmapFromFile(filePath, width, height); 103 | } 104 | 105 | String encodedImage = encodeImageToString(bitmap); 106 | 107 | return encodedImage; 108 | } 109 | 110 | ///////////////////PRIVATE METHODS 111 | 112 | private String encodeImageToString(Bitmap bitmap){ 113 | ByteArrayOutputStream bao = new ByteArrayOutputStream(); 114 | int quality = 100; //100: compress nothing 115 | bitmap.compress(Bitmap.CompressFormat.JPEG, quality, bao); 116 | 117 | if(bitmap != null){//important! prevent out of memory 118 | bitmap.recycle(); 119 | bitmap = null; 120 | } 121 | 122 | byte [] ba = bao.toByteArray(); 123 | String encodedImage = Base64.encodeToString(ba, Base64.DEFAULT); 124 | return encodedImage; 125 | } 126 | 127 | private int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) { 128 | // Raw height and width of image 129 | final int height = options.outHeight; 130 | final int width = options.outWidth; 131 | int inSampleSize = 1; 132 | 133 | if (height > reqHeight || width > reqWidth) { 134 | 135 | final int halfHeight = height / 2; 136 | final int halfWidth = width / 2; 137 | 138 | // Calculate the largest inSampleSize value that is a power of 2 and keeps both 139 | // height and width larger than the requested height and width. 140 | while ((halfHeight / inSampleSize) > reqHeight 141 | && (halfWidth / inSampleSize) > reqWidth) { 142 | inSampleSize *= 2; 143 | } 144 | } 145 | 146 | return inSampleSize; 147 | } 148 | 149 | private Bitmap decodeSampledBitmapFromFile(String filePath, int reqWidth, int reqHeight) throws FileNotFoundException { 150 | 151 | File file = new File(filePath); 152 | if(!file.exists()){ 153 | throw new FileNotFoundException(); 154 | } 155 | 156 | final BitmapFactory.Options options = new BitmapFactory.Options(); 157 | options.inJustDecodeBounds = true; 158 | 159 | BitmapFactory.decodeFile(filePath, options); 160 | 161 | options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight); 162 | 163 | options.inJustDecodeBounds = false; 164 | Bitmap bitmap = BitmapFactory.decodeFile(filePath, options); 165 | return bitmap; 166 | } 167 | 168 | private Bitmap decodeFile(String filePath) throws FileNotFoundException { 169 | 170 | File file = new File(filePath); 171 | if(!file.exists()){ 172 | throw new FileNotFoundException(); 173 | } 174 | 175 | Bitmap bitmap = BitmapFactory.decodeFile(filePath); 176 | return bitmap; 177 | } 178 | 179 | public Bitmap decodeSampledBitmapFromResource(int resId, int reqWidth, int reqHeight) { 180 | 181 | // First decode with inJustDecodeBounds=true to check dimensions 182 | final BitmapFactory.Options options = new BitmapFactory.Options(); 183 | options.inJustDecodeBounds = true; 184 | BitmapFactory.decodeResource(context.getResources(), resId, options); 185 | 186 | // Calculate inSampleSize 187 | options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight); 188 | 189 | // Decode bitmap with inSampleSize requestSize 190 | options.inJustDecodeBounds = false; 191 | return BitmapFactory.decodeResource(context.getResources(), resId, options); 192 | } 193 | 194 | public Bitmap decodeResource(int resId) { 195 | 196 | return BitmapFactory.decodeResource(context.getResources(), resId); 197 | } 198 | 199 | } 200 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/java/com/kosalgeek/android/imagebase64encoder/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.kosalgeek.android.imagebase64encoder; 2 | 3 | import android.os.Bundle; 4 | import android.support.design.widget.FloatingActionButton; 5 | import android.support.design.widget.Snackbar; 6 | import android.support.v7.app.AppCompatActivity; 7 | import android.support.v7.widget.Toolbar; 8 | import android.view.View; 9 | import android.view.Menu; 10 | import android.view.MenuItem; 11 | 12 | public class MainActivity extends AppCompatActivity { 13 | 14 | @Override 15 | protected void onCreate(Bundle savedInstanceState) { 16 | super.onCreate(savedInstanceState); 17 | setContentView(R.layout.activity_main); 18 | Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); 19 | setSupportActionBar(toolbar); 20 | 21 | FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab); 22 | fab.setOnClickListener(new View.OnClickListener() { 23 | @Override 24 | public void onClick(View view) { 25 | Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG) 26 | .setAction("Action", null).show(); 27 | } 28 | }); 29 | } 30 | 31 | @Override 32 | public boolean onCreateOptionsMenu(Menu menu) { 33 | // Inflate the menu; this adds items to the action bar if it is present. 34 | getMenuInflater().inflate(R.menu.menu_main, menu); 35 | return true; 36 | } 37 | 38 | @Override 39 | public boolean onOptionsItemSelected(MenuItem item) { 40 | // Handle action bar item clicks here. The action bar will 41 | // automatically handle clicks on the Home/Up button, so long 42 | // as you specify a parent activity in AndroidManifest.xml. 43 | int id = item.getItemId(); 44 | 45 | //noinspection SimplifiableIfStatement 46 | if (id == R.id.action_settings) { 47 | return true; 48 | } 49 | 50 | return super.onOptionsItemSelected(item); 51 | } 52 | } 53 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 14 | 15 | 21 | 22 | 23 | 24 | 25 | 26 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/layout/content_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 14 | 15 | 19 | 20 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/menu/menu_main.xml: -------------------------------------------------------------------------------- 1 | 5 | 10 | 11 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kosalgeek/ImageBase64Encoder/68c6185690b2a0626b5662a6cf08542ccc64cdbe/ImageBase64Encoder/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kosalgeek/ImageBase64Encoder/68c6185690b2a0626b5662a6cf08542ccc64cdbe/ImageBase64Encoder/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kosalgeek/ImageBase64Encoder/68c6185690b2a0626b5662a6cf08542ccc64cdbe/ImageBase64Encoder/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kosalgeek/ImageBase64Encoder/68c6185690b2a0626b5662a6cf08542ccc64cdbe/ImageBase64Encoder/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kosalgeek/ImageBase64Encoder/68c6185690b2a0626b5662a6cf08542ccc64cdbe/ImageBase64Encoder/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/values-v21/styles.xml: -------------------------------------------------------------------------------- 1 | > 2 | 3 | 9 | 10 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 16dp 6 | 7 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | ImageBase64Encoder 3 | Settings 4 | 5 | -------------------------------------------------------------------------------- /ImageBase64Encoder/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 15 | 16 |