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Steve Soltys
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‎.gitignore

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## Java
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*.class
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*.war
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*.ear
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hs_err_pid*
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## Intellij
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out/
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lib/
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.idea/
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*.ipr
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*.iws
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*.iml
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## Eclipse
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.classpath
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.project
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.metadata
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**/bin/
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tmp/
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*.tmp
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*.bak
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*.swp
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*~.nib
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local.properties
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.settings/
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.loadpath
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.externalToolBuilders/
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*.launch
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## NetBeans
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**/nbproject/private/
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build/
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nbbuild/
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dist/
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nbdist/
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nbactions.xml
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nb-configuration.xml
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## Gradle
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.gradle
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gradle-app.setting
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build/
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## OS Specific
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.DS_Store
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## Android
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gen/

‎LICENSE

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The MIT License (MIT)
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Copyright (c) 2017 Steve Soltys
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.

‎README.md

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# Backup
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A backup application for the [Android Open Source Project](https://source.android.com/).
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## License
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This application is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).

‎app/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 26
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buildToolsVersion '26.0.1'
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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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compileOptions {
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targetCompatibility 1.7
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sourceCompatibility 1.7
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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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}

‎app/src/main/Android.mk

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LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_MODULE := com.stevesoltys.backup.xml
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LOCAL_MODULE_CLASS := ETC
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/sysconfig
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LOCAL_SRC_FILES := $(LOCAL_MODULE)
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include $(BUILD_PREBUILT)
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include $(CLEAR_VARS)
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LOCAL_PACKAGE_NAME := Backup
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LOCAL_MODULE_TAGS := optional
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LOCAL_REQUIRED_MODULES := com.stevesoltys.backup.xml
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LOCAL_PRIVILEGED_MODULE := true
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LOCAL_SRC_FILES := $(call all-java-files-under, java)
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LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
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include $(BUILD_PACKAGE)

‎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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xmlns:tools="http://schemas.android.com/tools"
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package="com.stevesoltys.backup">
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<uses-permission android:name="android.permission.BACKUP"/>
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<uses-sdk
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android:minSdkVersion="26"
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android:targetSdkVersion="26"/>
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<application
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android:supportsRtl="true"
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android:theme="@style/AppTheme"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:allowBackup="false"
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tools:replace="android:allowBackup">
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<activity android:name="com.stevesoltys.backup.activity.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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<activity android:name="com.stevesoltys.backup.activity.backup.CreateBackupActivity"
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android:parentActivityName="com.stevesoltys.backup.activity.MainActivity">
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</activity>
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<activity android:name="com.stevesoltys.backup.activity.restore.RestoreBackupActivity"
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android:parentActivityName="com.stevesoltys.backup.activity.MainActivity">
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</activity>
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<service android:name="com.stevesoltys.backup.transport.ConfigurableBackupTransportService"
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android:exported="false">
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<intent-filter>
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<action android:name="android.backup.TRANSPORT_HOST" />
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</intent-filter>
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</service>
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</application>
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</manifest>

‎app/src/main/com.stevesoltys.backup.xml

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<?xml version="1.0" encoding="utf-8"?>
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<config>
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<backup-transport-whitelisted-service
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service="com.stevesoltys.backup/.transport.ConfigurableBackupTransportService"/>
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</config>

‎app/src/main/java/com/stevesoltys/backup/activity/MainActivity.java

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package com.stevesoltys.backup.activity;
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import android.app.Activity;
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import android.content.Intent;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import com.stevesoltys.backup.R;
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public class MainActivity extends Activity implements View.OnClickListener {
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public static final int CREATE_DOCUMENT_REQUEST_CODE = 1;
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public static final int LOAD_DOCUMENT_REQUEST_CODE = 2;
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private MainActivityController controller;
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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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findViewById(R.id.create_backup_button).setOnClickListener(this);
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findViewById(R.id.restore_backup_button).setOnClickListener(this);
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controller = new MainActivityController();
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}
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@Override
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public void onClick(View view) {
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int viewId = view.getId();
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switch (viewId) {
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case R.id.create_backup_button:
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controller.showCreateDocumentActivity(this);
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break;
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case R.id.restore_backup_button:
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controller.showLoadDocumentActivity(this);
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break;
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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 result) {
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if (resultCode != Activity.RESULT_OK) {
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Log.e(MainActivity.class.getName(), "Error in activity result: " + requestCode);
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return;
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}
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switch (requestCode) {
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case CREATE_DOCUMENT_REQUEST_CODE:
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controller.handleCreateDocumentResult(result, this);
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break;
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case LOAD_DOCUMENT_REQUEST_CODE:
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controller.handleLoadDocumentResult(result, this);
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break;
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}
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}
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}

‎app/src/main/java/com/stevesoltys/backup/activity/MainActivityController.java

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package com.stevesoltys.backup.activity;
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import android.app.Activity;
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import android.content.ActivityNotFoundException;
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import android.content.Intent;
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import android.widget.Toast;
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import com.stevesoltys.backup.activity.backup.CreateBackupActivity;
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import com.stevesoltys.backup.activity.restore.RestoreBackupActivity;
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import static android.content.Intent.ACTION_CREATE_DOCUMENT;
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import static android.content.Intent.ACTION_OPEN_DOCUMENT;
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import static android.content.Intent.CATEGORY_OPENABLE;
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/**
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* @author Steve Soltys
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*/
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class MainActivityController {
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private static final String DOCUMENT_MIME_TYPE = "application/octet-stream";
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void showCreateDocumentActivity(Activity parent) {
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Intent createDocumentIntent = new Intent(ACTION_CREATE_DOCUMENT);
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createDocumentIntent.addCategory(CATEGORY_OPENABLE);
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createDocumentIntent.setType(DOCUMENT_MIME_TYPE);
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try {
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Intent documentChooser = Intent.createChooser(createDocumentIntent, "Select the backup location");
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parent.startActivityForResult(documentChooser, MainActivity.CREATE_DOCUMENT_REQUEST_CODE);
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} catch (ActivityNotFoundException ex) {
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Toast.makeText(parent, "Please install a file manager.", Toast.LENGTH_SHORT).show();
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}
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}
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void showLoadDocumentActivity(Activity parent) {
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Intent loadDocumentIntent = new Intent(ACTION_OPEN_DOCUMENT);
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loadDocumentIntent.addCategory(CATEGORY_OPENABLE);
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loadDocumentIntent.setType(DOCUMENT_MIME_TYPE);
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try {
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Intent documentChooser = Intent.createChooser(loadDocumentIntent, "Select the backup location");
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parent.startActivityForResult(documentChooser, MainActivity.LOAD_DOCUMENT_REQUEST_CODE);
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} catch (ActivityNotFoundException ex) {
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Toast.makeText(parent, "Please install a file manager.", Toast.LENGTH_SHORT).show();
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}
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}
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void handleCreateDocumentResult(Intent result, Activity parent) {
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if (result == null) {
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return;
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}
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Intent intent = new Intent(parent, CreateBackupActivity.class);
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intent.setData(result.getData());
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parent.startActivity(intent);
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}
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void handleLoadDocumentResult(Intent result, Activity parent) {
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if (result == null) {
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return;
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}
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Intent intent = new Intent(parent, RestoreBackupActivity.class);
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intent.setData(result.getData());
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parent.startActivity(intent);
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}
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}

‎app/src/main/java/com/stevesoltys/backup/activity/backup/BackupObserver.java

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package com.stevesoltys.backup.activity.backup;
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import android.app.Activity;
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import android.app.backup.BackupProgress;
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import android.widget.PopupWindow;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.stevesoltys.backup.R;
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import com.stevesoltys.backup.session.backup.BackupResult;
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import com.stevesoltys.backup.session.backup.BackupSession;
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import com.stevesoltys.backup.session.backup.BackupSessionObserver;
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import com.stevesoltys.backup.transport.ConfigurableBackupTransport;
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import com.stevesoltys.backup.transport.ConfigurableBackupTransportService;
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/**
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* @author Steve Soltys
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*/
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class BackupObserver implements BackupSessionObserver {
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private final Activity context;
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private final PopupWindow popupWindow;
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BackupObserver(Activity context, PopupWindow popupWindow) {
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this.context = context;
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this.popupWindow = popupWindow;
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}
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@Override
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public void backupPackageStarted(BackupSession backupSession, String packageName, BackupProgress backupProgress) {
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context.runOnUiThread(() -> {
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TextView textView = popupWindow.getContentView().findViewById(R.id.popup_text_view);
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if (textView != null) {
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textView.setText(packageName);
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}
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ProgressBar progressBar = popupWindow.getContentView().findViewById(R.id.popup_progress_bar);
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if (progressBar != null) {
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progressBar.setMax((int) backupProgress.bytesExpected);
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progressBar.setProgress((int) backupProgress.bytesTransferred);
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}
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});
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}
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@Override
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public void backupPackageCompleted(BackupSession backupSession, String packageName, BackupResult result) {
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context.runOnUiThread(() -> {
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TextView textView = popupWindow.getContentView().findViewById(R.id.popup_text_view);
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if (textView != null) {
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textView.setText(packageName);
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}
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});
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}
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@Override
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public void backupSessionCompleted(BackupSession backupSession, BackupResult backupResult) {
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ConfigurableBackupTransport backupTransport = ConfigurableBackupTransportService.getBackupTransport();
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if (backupTransport.getRestoreComponent() == null || backupTransport.getBackupComponent() == null) {
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return;
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}
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backupTransport.setBackupComponent(null);
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backupTransport.setRestoreComponent(null);
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context.runOnUiThread(() -> {
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if (backupResult == BackupResult.SUCCESS) {
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Toast.makeText(context, R.string.backup_success, Toast.LENGTH_LONG).show();
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} else if (backupResult == BackupResult.CANCELLED) {
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Toast.makeText(context, R.string.backup_cancelled, Toast.LENGTH_LONG).show();
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} else {
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Toast.makeText(context, R.string.backup_failure, Toast.LENGTH_LONG).show();
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}
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popupWindow.dismiss();
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context.finish();
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});
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}
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}

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