Intent mIntent = new Intent();
ComponentName comp = new ComponentName("启动的APK包名","启动的APK入口类(包名加类名)");
mIntent.setComponent(comp);
mIntent.setAction("android.intent.action.MAIN");
startActivity(mIntent);
Android apk程序调用其它的APK程序
原文:http://www.cnblogs.com/bhlsheji/p/5364717.html