install Apk from Asset

Description

Demo Code


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();
      }
    }
  }
}
install Apk from Asset - Android App

Description

Demo Code

Related Tutorials
