使用程序安装APK的方法

Demo Code:

import java.io.File;import android.app.Activity;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.view.Menu;public class MainActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);File apkFile = new File("mnt/sdcard/tts_3.1_market.apk");Intent intent = new Intent();intent.setAction(Intent.ACTION_VIEW);intent.setDataAndType(Uri.fromFile(apkFile), "application/vnd.android.package-archive");startActivity(intent); }@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}