android 广播安装指定下载的apk

// 广播出去，由广播接收器来处理下载完成的文件

  Intent sendIntent = new Intent("com.test.downloadComplete");

  // 把下载好的文件的保存地址加进Intent

  sendIntent.putExtra("downloadFile", file.getPath());

  sendBroadcast(sendIntent);

<receiver android:name="com.yuxin.mhealth.ui.dbmanager.DownLoadBR" >

            <intent-filter>

                <action android:name="com.test.downloadComplete" >

                </action>

            </intent-filter>

        </receiver>

public class DownLoadBR  extends BroadcastReceiver {

    @Override

    public void onReceive(Context context, Intent intent) {

        Intent install = new Intent(Intent.ACTION_VIEW);

        String pathString = intent.getStringExtra("downloadFile");

        install.setDataAndType(Uri.fromFile(new File(pathString)), "application/vnd.android.package-archive");

        install.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

        context.startActivity(install);

    }

}