Android examples for App:Assets
install Apk from Asset
import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import android.content.Context; import android.content.res.AssetManager; import android.widget.Toast; public class Main { public static void installapk(Context context, String fileName) { try {//from ww w .j a v a 2 s . c o m AssetManager assetManager = context.getAssets(); InputStream stream = assetManager.open(fileName); if (stream == null) { Toast.makeText(context, "null", Toast.LENGTH_SHORT).show(); return; } String folder = "/mnt/sdcard/sm/"; File f = new File(folder); if (!f.exists()) { f.mkdir(); } String apkPath = "/mnt/sdcard/sm/test.apk"; File file = new File(apkPath); if (!file.exists()) file.createNewFile(); writeStreamToFile(stream, file); installApk(context, apkPath); } catch (IOException e) { e.printStackTrace(); } } private static void installApk(Context context, String apkPath) { installApk(context, apkPath); } private static void writeStreamToFile(InputStream stream, File file) { try { OutputStream output = null; try { output = new FileOutputStream(file); } catch (FileNotFoundException e1) { e1.printStackTrace(); } try { try { final byte[] buffer = new byte[1024]; int read; while ((read = stream.read(buffer)) != -1) output.write(buffer, 0, read); output.flush(); } finally { output.close(); } } catch (Exception e) { e.printStackTrace(); } } finally { try { stream.close(); } catch (IOException e) { e.printStackTrace(); } } } }