Friday, April 25, 2014

Backup APK installed application in Android example

Backup APK installed application in Android example

This post about how to take installed application APK Backup.
Below i given example for How to take backup APK.




Create List and CustomAdapter layout View
myactivity.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
     android:background="#5f6263"
    android:layout_height="match_parent" >

    <ListView
        android:id="@+id/appList"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_above="@+id/backUpBtn"
        android:background="#636260"
         android:visibility="gone"
        android:horizontalSpacing="1dp"
        android:verticalSpacing="1dp" >

    </ListView>

    <Button
        android:id="@+id/backUpBtn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentRight="true"
        android:text="Backup All" />

    <ProgressBar
        android:id="@+id/progressBar1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true" />

</RelativeLayout>


adapter_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="#5f6263"
   android:paddingTop="5dip"
   android:paddingLeft="10dip"
   android:paddingRight="10dip"
    >

<ImageView
    android:id="@+id/appIcon"
    android:layout_width="48dip"
    android:layout_height="48dip"
    android:layout_alignParentLeft="true"
    android:layout_alignParentTop="true"
    android:background="@drawable/ic_launcher" />

<TextView
    android:id="@+id/applicationName"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_alignParentRight="true"
    android:textColor="#1cbcf8"
     android:paddingLeft="10dp"
    android:textSize="19dp"
    android:layout_alignParentTop="true"
    android:layout_toRightOf="@+id/appIcon"
    android:text="" />

<Button
    android:id="@+id/back_btn"
    style="?android:attr/buttonStyleSmall"
    android:layout_width="wrap_content"
    android:textColor="#1cbcf8"
    android:layout_height="wrap_content"
    android:layout_alignParentRight="true"
    android:layout_below="@+id/applicationName"
    android:text="Backup" />

</RelativeLayout>


Add the Following permission in manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.backupapk"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.backupapk.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>



Back up single apkmethod
private void backupSingleApp(int position){
              File apkSourceDirec = new File(appList.get(position).apkSourceDir);
              try {
                     String file_name =appList.get(position).apkName;
                     File fileDirectry = new File(Environment.getExternalStorageDirectory()
                                  .toString() + "/iam_VJ_backUp_APK");
                     fileDirectry.mkdirs();
                     fileDirectry = new File(fileDirectry.getPath() + "/" + file_name + ".apk");
                     fileDirectry.createNewFile();
                     InputStream in = new FileInputStream(apkSourceDirec);
                     OutputStream out = new FileOutputStream(fileDirectry);
                     byte[] buf = new byte[1024];
                     int len;
                     while ((len = in.read(buf)) > 0) {
                           out.write(buf, 0, len);
                     }
                     in.close();
                     out.close();
                     Log.e("file_name--", "File copied. ");

              } catch (FileNotFoundException ex) {
                    
              } catch (IOException e) {
                     System.out.println(e.getMessage());
              }
      
}



Backup all APK


private void backupAllApp(){
      
       for(int i = 0; i<appList.size(); i++){
       File apkSourceDirec = new File(appList.get(i).apkSourceDir);
       try {
              String file_name =appList.get(i).apkName;
              File fileDirectry = new File(Environment.getExternalStorageDirectory()
                           .toString() + "/iam_VJ_backUp_APK");
              fileDirectry.mkdirs();
              fileDirectry = new File(fileDirectry.getPath() + "/" + file_name + ".apk");
              fileDirectry.createNewFile();
              InputStream in = new FileInputStream(apkSourceDirec);
              OutputStream out = new FileOutputStream(fileDirectry);
              byte[] buf = new byte[1024];
              int len;
              while ((len = in.read(buf)) > 0) {
                     out.write(buf, 0, len);
              }
              in.close();
              out.close();
              Log.e("file_name--", "File copied. ");

       } catch (FileNotFoundException ex) {
             
       } catch (IOException e) {
              System.out.println(e.getMessage());
       }

}}

Backup apk file path folder highlighted in Blue color


Full Activity Source Code

package com.example.backupapk;


import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.support.v7.app.ActionBarActivity;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.DropBoxManager.Entry;
import android.os.Environment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.ProgressBar;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import android.os.Build;

public class MainActivity extends ActionBarActivity {
        List appPakageList ;
     Intent intent ;
     BackApkStructure backStr;
     ListView listView;
     ArrayList<BackApkStructure> appList = new ArrayList<BackApkStructure>();
     ProgressBar progressBar;
     Button backUpAllBtn;
     private HashMap<Integer, Integer> myChecked = new HashMap<Integer, Integer>();
    
     int selectedPosition;
       @Override
       protected void onCreate(Bundle savedInstanceState) {
              super.onCreate(savedInstanceState);
              setContentView(R.layout.myactivity);
             
             
               intent = new Intent(Intent.ACTION_MAIN, null);
               intent.addCategory(Intent.CATEGORY_LAUNCHER);
               appPakageList = getPackageManager().queryIntentActivities(intent, 0);
             
               listView = (ListView)findViewById(R.id.appList);
               backUpAllBtn = (Button )findViewById(R.id.backUpBtn);
               progressBar = (ProgressBar)findViewById(R.id.progressBar1);
               ListAppAsyncTask listApp = new ListAppAsyncTask();
               listApp.execute();
               backUpAllBtn.setOnClickListener(new OnClickListener() {
                    
                     @Override
                     public void onClick(View arg0) {
                           BackUpAllAppAsyncTask backupAllApk = new BackUpAllAppAsyncTask();
                           backupAllApk.execute();
                          
                     }
              });
             
             
       }

       public class ListAppAsyncTask extends AsyncTask<String, Void, String> {
              @Override
              protected void onPreExecute() {
                     super.onPreExecute();
                    
                    
                    
              }

              @Override
              protected String doInBackground(String... params) {
                     for (Object objevt : appPakageList) {
                           ResolveInfo resolveInFo = (ResolveInfo) objevt;
                           backStr = new BackApkStructure();
                           backStr.apkSourceDir = resolveInFo.activityInfo.applicationInfo.publicSourceDir;
                           backStr.apkName = resolveInFo.loadLabel(getPackageManager()).toString();
                         backStr.icons  =resolveInFo.loadIcon(getPackageManager());
                         appList.add(backStr);
                     }
                    
                     return null;
              }

              @Override
              protected void onPostExecute(String result) {
                    
                     InstalledAppAdapter adapter = new InstalledAppAdapter(MainActivity.this,
                                  appList);
                     listView.setAdapter(adapter);
                     progressBar.setVisibility(View.GONE);
                     listView.setVisibility(View.VISIBLE);
                     super.onPostExecute(result);
              }
       }
      
      

public class InstalledAppAdapter extends  BaseAdapter {

       Activity activity;
       ArrayList<BackApkStructure> appStrucutreList;
      
       public InstalledAppAdapter(Activity act, ArrayList<BackApkStructure> appStructure) {
             
              this.activity = act;
              this.appStrucutreList = appStructure;
             
             
             
       }
       @Override
       public int getCount() {
              // TODO Auto-generated method stub
              return appStrucutreList.size();
       }

       @Override
       public Object getItem(int arg0) {
             
              return arg0;
       }

       @Override
       public long getItemId(int arg0) {
              // TODO Auto-generated method stub
              return arg0;
       }

       @Override
       public View getView(final int position, View view, ViewGroup arg2) {
      
              LayoutInflater inflator =(LayoutInflater)activity.getSystemService(activity.LAYOUT_INFLATER_SERVICE);
              view = inflator.inflate(R.layout.adapter_layout, null);
             
              TextView appName = (TextView)view.findViewById(R.id.applicationName);
              ImageView appIcon = (ImageView)view.findViewById(R.id.appIcon);
              Button backBtn = (Button)view.findViewById(R.id.back_btn);
              appName.setText(appStrucutreList.get(position).apkName);
              appIcon.setBackgroundDrawable(appStrucutreList.get(position).icons);
             
              backBtn.setOnClickListener(new OnClickListener() {
                     @Override
                     public void onClick(View arg0) {
                           selectedPosition = position;
                           BackUpSingleAppAsyncTask backApp = new BackUpSingleAppAsyncTask();
                           backApp.execute();
                     }
              });
              return view;
       }

}

public class BackUpSingleAppAsyncTask extends AsyncTask<String, Void, String> {
       ProgressDialog progress;
       @Override
       protected void onPreExecute() {
              super.onPreExecute();
              progress = new ProgressDialog(MainActivity.this);;
              progress.setMessage("Please wait...App backup...");
              progress.setCancelable(false);
              progress.show();
             
       }

       @Override
       protected String doInBackground(String... params) {
              String result = null;
              backupSingleApp(selectedPosition);
              return result;
       }

       @Override
       protected void onPostExecute(String result) {
              progress.dismiss();
              Toast.makeText(MainActivity.this, "Application successfully Backup.", Toast.LENGTH_LONG).show();
              super.onPostExecute(result);
       }
}

public class BackUpAllAppAsyncTask extends AsyncTask<String, Void, String> {
       ProgressDialog progress;
       @Override
       protected void onPreExecute() {
              super.onPreExecute();
              progress = new ProgressDialog(MainActivity.this);;
              progress.setMessage("Please wait...App backup...");
              progress.setCancelable(false);
              progress.show();
             
       }

       @Override
       protected String doInBackground(String... params) {
              String result = null;
            backupAllApp();
              return result;
       }

       @Override
       protected void onPostExecute(String result) {
              progress.dismiss();
              Toast.makeText(MainActivity.this, "Application successfully Backup.", Toast.LENGTH_LONG).show();
              super.onPostExecute(result);
       }
}


private void backupSingleApp(int position){
              File apkSourceDirec = new File(appList.get(position).apkSourceDir);
              try {
                     String file_name =appList.get(position).apkName;
                     File fileDirectry = new File(Environment.getExternalStorageDirectory()
                                  .toString() + "/iam_VJ_backUp_APK");
                     fileDirectry.mkdirs();
                     fileDirectry = new File(fileDirectry.getPath() + "/" + file_name + ".apk");
                     fileDirectry.createNewFile();
                     InputStream in = new FileInputStream(apkSourceDirec);
                     OutputStream out = new FileOutputStream(fileDirectry);
                     byte[] buf = new byte[1024];
                     int len;
                     while ((len = in.read(buf)) > 0) {
                           out.write(buf, 0, len);
                     }
                     in.close();
                     out.close();
                     Log.e("file_name--", "File copied. ");

              } catch (FileNotFoundException ex) {
                    
              } catch (IOException e) {
                     System.out.println(e.getMessage());
              }
      
}


private void backupAllApp(){
      
       for(int i = 0; i<appList.size(); i++){
       File apkSourceDirec = new File(appList.get(i).apkSourceDir);
       try {
              String file_name =appList.get(i).apkName;
              File fileDirectry = new File(Environment.getExternalStorageDirectory()
                           .toString() + "/iam_VJ_backUp_APK");
              fileDirectry.mkdirs();
              fileDirectry = new File(fileDirectry.getPath() + "/" + file_name + ".apk");
              fileDirectry.createNewFile();
              InputStream in = new FileInputStream(apkSourceDirec);
              OutputStream out = new FileOutputStream(fileDirectry);
              byte[] buf = new byte[1024];
              int len;
              while ((len = in.read(buf)) > 0) {
                     out.write(buf, 0, len);
              }
              in.close();
              out.close();
              Log.e("file_name--", "File copied. ");

       } catch (FileNotFoundException ex) {
             
       } catch (IOException e) {
              System.out.println(e.getMessage());
       }

}}

}


BackApkStructure.class


import android.graphics.drawable.Drawable;

public class BackApkStructure {

       public Drawable icons;
       public String apkName;
       public String apkSourceDir;
      
}




Back apk is highlighted .

Download Source Code HERE




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