广播监听手机中应用程序是否安装并卸载

public class PackageReceiver extends BroadcastReceiver {

private static final int PACKAGE_NAME_INDEX = 8;

@Override

public void onReceive(Context context, Intent intent) {

if (intent != null) {

/**安装程序的ACTION为Intent.ACTION_PACKAGE_ADDED*/

if (intent.getAction().equals(Intent.ACTION_PACKAGE_ADDED)) {

String data = intent.getDataString();

if (data == null || data.length() <= PACKAGE_NAME_INDEX) { return; }

String packageName = data.substring(PACKAGE_NAME_INDEX);

if (isAvilible(context, packageName)) {

/**说明安装了应用包*/

Uri uri = Uri.fromParts("package", packageName, null);

/**监听应用卸载的ACTION*/

intent = new Intent(Intent.ACTION_DELETE, uri);

intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

context.startActivity(intent);

}

else {

Toast.makeText(context, "手机并没有安装该应用！", Toast.LENGTH_SHORT).show();

}

}

}

}

/**检测是否安装了微信的客户端*/

public static boolean isAvilible(Context context, String packageName) {

/**包管理器PackageManager*/

final PackageManager packageManager = context.getPackageManager();

/**所有已安装程序的包信息*/

List<PackageInfo> pinfo = packageManager.getInstalledPackages(0);

/**存储所有已安装程序的包名*/

List<String> pName = new ArrayList<String>();

if (pinfo != null) {

for (int i = 0; i < pinfo.size(); i++) {

String pn = pinfo.get(i).packageName;

pName.add(pn);

}

}

return pName.contains(packageName);

}

}

-----------AndroidManifest.xml中注册广播---------------------------

<receiver android:name=".PackageReceiver">

<intent-filter>

<action android:name="android.intent.action.PACKAGE_ADDED" />

<data android:scheme="package" />

</intent-filter>

</receiver>