监听Android应用程序是否卸载成功

-------------卸载Android应用程序的方法---------------
/**
* 卸载Android应用程序
*
* @param packageName
*/
public static void uninstallApk(Context ctx, String packageName) {
Uri packageURI = Uri.parse("package:" + packageName);
Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI);
ctx.startActivity(uninstallIntent);
}


---------------------判断是否卸载成功---------------------------


/**
* Created by IntelliJ IDEA.
* User: 罗代均
* Date: 2010-8-16
* Time: 18:11:19
*/
public class AppUninstallActivity extends Activity {

private List<ApplicationInfo> mApps;

private Handler handler = new Handler();

  private UninstallReceiver mUninstallReceiver;

private String uninstallPackage;

private GridView gvApps;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.app_uninstall);
mUninstallReceiver = new UninstallReceiver();

gvApps = (GridView) findViewById(R.id.gv_uninstall_apps);

gvApps.setOnItemClickListener(new GridView.OnItemClickListener() {
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
  ApplicationInfo app = mApps.get(position);
uninstallPackage = app.packageName;
AppUtils.uninstallApk(AppUninstallActivity.this, uninstallPackage);
}
});


//查询可卸载的应用
query();

//监听卸载广播
IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_REMOVED);
filter.addDataScheme("package");
this.registerReceiver(mUninstallReceiver, filter);
}

@Override
protected void onDestroy() {
  this.unregisterReceiver(mUninstallReceiver);
super.onDestroy();
}

private class UninstallReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (uninstallPackage != null && ("package:" + uninstallPackage).equals(intent.getDataString())) {
query();
Toast.makeText(AppUninstallActivity.this, R.string.uninstall_success, Toast.LENGTH_SHORT).show();
}
}
}

private void query() {
ThreadPoolFactory.getInstance().execute(new Runnable() {
public void run() {
mApps = AppUtils.getUnintalledApp(getPackageManager());
final AppUninstallAdapter adapter = new AppUninstallAdapter(AppUninstallActivity.this, mApps);
handler.post(new Runnable() {
public void run() {
gvApps.setAdapter(adapter);
}
});
}
});
}
}
http://hi.baidu.com/luodaijun/blog/item/0887a8c37e9dfc58b219a808.html