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jeanboy
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‎.gitignore

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.gradle
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/.idea
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*.iml
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*.bat
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/local.properties
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.DS_Store
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/build
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/captures

‎app/.gitignore

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/build

‎app/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 23
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buildToolsVersion "23.0.3"
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defaultConfig {
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applicationId "com.jeanboy.demo.compress"
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minSdkVersion 15
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targetSdkVersion 23
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versionCode 1
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versionName "1.0"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
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}
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}
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}
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dependencies {
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compile fileTree(include: ['*.jar'], dir: 'libs')
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testCompile 'junit:junit:4.12'
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compile 'com.android.support:appcompat-v7:23.4.0'
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compile project(':lib-bither-compress')
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}

‎app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# By default, the flags in this file are appended to flags specified
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# in C:\Develop\Android\sdk/tools/proguard/proguard-android.txt
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# You can edit the include path and order by changing the proguardFiles
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# directive in build.gradle.
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#
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# For more details, see
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# 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
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}

‎app/src/androidTest/java/com/jeanboy/demo/compress/ApplicationTest.java

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package com.jeanboy.demo.compress;
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import android.app.Application;
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import android.test.ApplicationTestCase;
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/**
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* <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
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*/
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public class ApplicationTest extends ApplicationTestCase<Application> {
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public ApplicationTest() {
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super(Application.class);
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}
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}

‎app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.jeanboy.demo.compress">
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
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<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:supportsRtl="true"
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android:theme="@style/AppTheme">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎app/src/main/java/com/jeanboy/demo/compress/MainActivity.java

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package com.jeanboy.demo.compress;
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.graphics.Bitmap;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.provider.MediaStore;
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import android.support.v7.app.AppCompatActivity;
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import android.util.Log;
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import android.view.View;
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import net.bither.util.NativeUtil;
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import java.io.File;
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import java.io.IOException;
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public class MainActivity extends AppCompatActivity {
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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}
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public static final int REQUEST_PICK_IMAGE = 10011;
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public static final int REQUEST_KITKAT_PICK_IMAGE = 10012;
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public void pickFromGallery(View v) {
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
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startActivityForResult(new Intent(Intent.ACTION_GET_CONTENT).setType("image/*"),
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REQUEST_PICK_IMAGE);
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} else {
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Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
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intent.addCategory(Intent.CATEGORY_OPENABLE);
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intent.setType("image/*");
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startActivityForResult(intent, REQUEST_KITKAT_PICK_IMAGE);
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}
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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if (resultCode == Activity.RESULT_OK) {
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switch (requestCode) {
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case REQUEST_PICK_IMAGE:
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if (data != null) {
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Uri uri = data.getData();
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compressImage(uri);
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} else {
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Log.e("======", "========图片为空======");
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}
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break;
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case REQUEST_KITKAT_PICK_IMAGE:
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if (data != null) {
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Uri uri = ensureUriPermission(this, data);
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compressImage(uri);
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} else {
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Log.e("======", "====-----==图片为空======");
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}
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break;
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}
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}
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}
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@SuppressWarnings("ResourceType")
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@TargetApi(Build.VERSION_CODES.KITKAT)
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public static Uri ensureUriPermission(Context context, Intent intent) {
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Uri uri = intent.getData();
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
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final int takeFlags = intent.getFlags() & Intent.FLAG_GRANT_READ_URI_PERMISSION;
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context.getContentResolver().takePersistableUriPermission(uri, takeFlags);
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}
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return uri;
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}
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public void compressImage(Uri uri) {
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Log.e("===compressImage===", "====开始====uri==" + uri.getPath());
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try {
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File saveFile = new File(getExternalCacheDir(), "compress_final_" + System.currentTimeMillis() + ".jpg");
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Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
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Log.e("===compressImage===", "====开始==压缩==saveFile==" + saveFile.getAbsolutePath());
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NativeUtil.compressBitmap(bitmap, saveFile.getAbsolutePath());
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Log.e("===compressImage===", "====完成==压缩==saveFile==" + saveFile.getAbsolutePath());
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}

‎app/src/main/res/layout/activity_main.xml

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<?xml version="1.0" encoding="utf-8"?>
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:paddingBottom="@dimen/activity_vertical_margin"
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android:paddingLeft="@dimen/activity_horizontal_margin"
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android:paddingRight="@dimen/activity_horizontal_margin"
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android:paddingTop="@dimen/activity_vertical_margin"
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tools:context="com.jeanboy.demo.compress.MainActivity">
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<Button
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android:id="@+id/btn_from_gallery"
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style="@style/Widget.AppCompat.Button"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:onClick="pickFromGallery"
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android:text="从相册选取" />
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</RelativeLayout>

‎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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