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| # Resizer | ||
| An image resizing library for Android | ||
| [](https://jitpack.io/#hkk595/Resizer) | ||
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| Inspired by zetbaitsu's [Compressor](https://github.com/zetbaitsu/Compressor), Resizer is a lightweight and easy-to-use Android library for image resizing. It allows you to create a smaller or bigger image from the original image while keeping the aspect ratio. | ||
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| #### Include Resizer into your project | ||
| 1. Add the JitPack repository to your top-level build.gradle at the end of repositories | ||
| ```groovy | ||
| allprojects { | ||
| repositories { | ||
| maven { url 'https://jitpack.io' } | ||
| } | ||
| } | ||
| ``` | ||
| 2. Add the dependency in your module-level build.gradle | ||
| ```groovy | ||
| dependencies { | ||
| compile 'com.github.hkk595:Resizer:v1.0' | ||
| } | ||
| ``` | ||
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| #### Pass in the original image file and get the resized image as a new file | ||
| ```java | ||
| File resizedImage = new Resizer(this) | ||
| .setTargetLength(1080) | ||
| .setQuality(80) | ||
| .setOutputFormat("JPEG") | ||
| .setDestinationDirPath(storagePath) | ||
| .setSourceImage(originalImage) | ||
| .getResizedFile(); | ||
| ``` | ||
| #### Pass in the original image file and get the resized image as a new bitmap | ||
| ```java | ||
| Bitmap resizedImage = new Resizer(this) | ||
| .setTargetLength(1080) | ||
| .setSourceImage(originalImage) | ||
| .getResizedBitmap(); | ||
| ``` | ||
| Note: You only need to specify the target length (in pixel) of the longer side of the image. Resizer will calculate the rest automatically. | ||
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| #### Using RxJava to get the resized image asynchronously | ||
| ```java | ||
| final File[] resizedImage = new File[1]; | ||
| new Resizer(this) | ||
| .setTargetLength(1080) | ||
| .setQuality(80) | ||
| .setOutputFormat("JPEG") | ||
| .setDestinationDirPath(storagePath) | ||
| .setSourceImage(originalImage) | ||
| .getResizedFileAsFlowable() | ||
| .subscribeOn(Schedulers.io()) | ||
| .observeOn(AndroidSchedulers.mainThread()) | ||
| .subscribe(new Consumer<File>() { | ||
| @Override | ||
| public void accept(File file) { | ||
| resizedImage[0] = file; | ||
| } | ||
| }, new Consumer<Throwable>() { | ||
| @Override | ||
| public void accept(Throwable throwable) { | ||
| throwable.printStackTrace(); | ||
| } | ||
| }); | ||
| ``` | ||
| ```java | ||
| final Bitmap[] resizedImage = new Bitmap[1]; | ||
| new Resizer(this) | ||
| .setTargetLength(1080) | ||
| .setSourceImage(originalImage) | ||
| .getResizedBitmapAsFlowable() | ||
| .subscribeOn(Schedulers.io()) | ||
| .observeOn(AndroidSchedulers.mainThread()) | ||
| .subscribe(new Consumer<Bitmap>() { | ||
| @Override | ||
| public void accept(Bitmap bitmap) { | ||
| resizedImage[0] = bitmap; | ||
| } | ||
| }, new Consumer<Throwable>() { | ||
| @Override | ||
| public void accept(Throwable throwable) { | ||
| throwable.printStackTrace(); | ||
| } | ||
| }); | ||
| ``` | ||
| Note: You don't need to declare the new image as final nor array if it is an instance variable of the class, instead of a local variable in a function. | ||
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| #### Library specification | ||
| Default settings: | ||
| targetLength: 1080 | ||
| quality: 80 | ||
| outputFormat: JPEG | ||
| destinationDirPath: the external files directory of your app | ||
| Supported input formats: | ||
| BMP | ||
| GIF | ||
| JPEG | ||
| PNG | ||
| WEBP | ||
| Supported output formats: | ||
| JPEG | ||
| PNG | ||
| WEBP | ||
| Supported quality range: | ||
| 0~100 | ||
| The higher number the better in image quality and larger in file size | ||
| PNG, which is a lossless format, will ignore the quality setting | ||
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| ## License | ||
| MIT License | ||
| Copyright (c) 2017 K.K. Ho | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. |
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| @@ -0,0 +1 @@ | ||
| /build |
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| apply plugin: 'com.android.library' | ||
| apply plugin: 'com.github.dcendents.android-maven' | ||
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| group='com.github.hkk595' | ||
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| android { | ||
| compileSdkVersion 25 | ||
| buildToolsVersion "25.0.2" | ||
| defaultConfig { | ||
| minSdkVersion 21 | ||
| targetSdkVersion 25 | ||
| versionCode 1 | ||
| versionName "1.0" | ||
| testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" | ||
| } | ||
| buildTypes { | ||
| release { | ||
| minifyEnabled false | ||
| proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' | ||
| } | ||
| } | ||
| } | ||
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| dependencies { | ||
| compile fileTree(dir: 'libs', include: ['*.jar']) | ||
| androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { | ||
| exclude group: 'com.android.support', module: 'support-annotations' | ||
| }) | ||
| compile 'com.android.support:appcompat-v7:25.3.1' | ||
| testCompile 'junit:junit:4.12' | ||
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| compile 'io.reactivex.rxjava2:rxjava:2.1.3' | ||
| } |
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| # Add project specific ProGuard rules here. | ||
| # By default, the flags in this file are appended to flags specified | ||
| # in /Users/Ho/Library/Android/sdk/tools/proguard/proguard-android.txt | ||
| # You can edit the include path and order by changing the proguardFiles | ||
| # directive in build.gradle. | ||
| # | ||
| # For more details, see | ||
| # http://developer.android.com/guide/developing/tools/proguard.html | ||
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| # Add any project specific keep options here: | ||
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| # If your project uses WebView with JS, uncomment the following | ||
| # and specify the fully qualified class name to the JavaScript interface | ||
| # class: | ||
| #-keepclassmembers class fqcn.of.javascript.interface.for.webview { | ||
| # public *; | ||
| #} | ||
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| # Uncomment this to preserve the line number information for | ||
| # debugging stack traces. | ||
| #-keepattributes SourceFile,LineNumberTable | ||
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| # If you keep the line number information, uncomment this to | ||
| # hide the original source file name. | ||
| #-renamesourcefileattribute SourceFile |
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app/src/androidTest/java/me/echodev/resizer/ExampleInstrumentedTest.java
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| package me.echodev.resizer; | ||
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| import android.content.Context; | ||
| import android.support.test.InstrumentationRegistry; | ||
| import android.support.test.runner.AndroidJUnit4; | ||
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| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
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| import static org.junit.Assert.*; | ||
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| /** | ||
| * Instrumentation test, which will execute on an Android device. | ||
| * | ||
| * @see <a href="http://d.android.com/tools/testing">Testing documentation</a> | ||
| */ | ||
| @RunWith(AndroidJUnit4.class) | ||
| public class ExampleInstrumentedTest { | ||
| @Test | ||
| public void useAppContext() throws Exception { | ||
| // Context of the app under test. | ||
| Context appContext = InstrumentationRegistry.getTargetContext(); | ||
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| assertEquals("me.echodev.resizer", appContext.getPackageName()); | ||
| } | ||
| } |
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