不推荐使用构造函数通知 [英] The constructor notification is deprecated

问题描述

我对 Android 应用程序开发非常陌生.在这么多教程的帮助下，我创建了一个带有 webview、actionbar 和 GCM 的应用程序.一切正常.但是我收到警告不推荐使用构造函数通知".我已经通过了notification.builder.但我无法使用新的通知构建器修改我的代码.有人可以帮我.....

I am very new to android app development. With the help of so many tutorials, i created an app with webview, actionbar and GCM. Everything works fine. But i am getting a warning "The constructor notification is deprecated". I have gone through notification.builder. but i am not able to modify my codes with new notification buider. Can someone help me.....

public class GCMIntentService extends GCMBaseIntentService {

private static final String TAG = "GCMIntentService";

public GCMIntentService() {
    super(SENDER_ID);
}

/**
 * Method called on device registered
 **/
@Override
protected void onRegistered(Context context, String registrationId) {
    Log.i(TAG, "Device registered: regId = " + registrationId);
    displayMessage(context, "Your device registred with GCM");
    Log.d("NAME"," "+ MainActivity.name);
    ServerUtilities.register(context, MainActivity.name, MainActivity.email, MainActivity.AndroidVersion, MainActivity.AndroidID, MainActivity.manufacturer, MainActivity.model, registrationId);
}

/**
 * Method called on device un registred
 * */
@Override
protected void onUnregistered(Context context, String registrationId) {
    Log.i(TAG, "Device unregistered");
    displayMessage(context, getString(R.string.gcm_unregistered));
    ServerUtilities.unregister(context, registrationId);
}

/**
 * Method called on Receiving a new message
 * */
@Override
protected void onMessage(Context context, Intent intent) {
    Log.i(TAG, "Received message");
    String message = intent.getExtras().getString("price");

    displayMessage(context, message);
    // notifies user
    generateNotification(context, message);
}

/**
 * Method called on receiving a deleted message
 * */
@Override
protected void onDeletedMessages(Context context, int total) {
    Log.i(TAG, "Received deleted messages notification");
    String message = getString(R.string.gcm_deleted, total);
    displayMessage(context, message);
    // notifies user
    generateNotification(context, message);
}

/**
 * Method called on Error
 * */
@Override
public void onError(Context context, String errorId) {
    Log.i(TAG, "Received error: " + errorId);
    displayMessage(context, getString(R.string.gcm_error, errorId));
}

@Override
protected boolean onRecoverableError(Context context, String errorId) {
    // log message
    Log.i(TAG, "Received recoverable error: " + errorId);
    displayMessage(context, getString(R.string.gcm_recoverable_error,
            errorId));
    return super.onRecoverableError(context, errorId);
}

/**
 * Issues a notification to inform the user that server has sent a message.
 */
private static void generateNotification(Context context, String message) {
    int icon = R.drawable.ic_launcher;
    long when = System.currentTimeMillis();
    NotificationManager notificationManager = (NotificationManager)
            context.getSystemService(Context.NOTIFICATION_SERVICE);
    Notification notification = new Notification(icon, message, when);

    String title = context.getString(R.string.app_name);

    Intent notificationIntent = new Intent(context, MainActivity.class);
    // set intent so it does not start a new activity
    notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP |
            Intent.FLAG_ACTIVITY_SINGLE_TOP);
    PendingIntent intent =
            PendingIntent.getActivity(context, 0, notificationIntent, 0);
    notification.setLatestEventInfo(context, title, message, intent);
    notification.flags |= Notification.FLAG_AUTO_CANCEL;

    // Play default notification sound
    notification.defaults |= Notification.DEFAULT_SOUND;

    //notification.sound = Uri.parse("android.resource://" + context.getPackageName() + "your_sound_file_name.mp3");

    // Vibrate if vibrate is enabled
    notification.defaults |= Notification.DEFAULT_VIBRATE;
    notificationManager.notify(0, notification);      

}

}

**清单 sdkversion 8 到 18

**Manifest sdkversion 8 to 18

推荐答案

您正在尝试使用从 API 11 开始弃用的 Notification 构造函数.这意味着它不再受支持，不应再使用.使用 Notification.Builder 代替 https://developer.android.com/reference/android/app/Notification.Builder.html

You're attempting to use the constructor for Notification which is deprecated as of API 11. Meaning it isn't supported any longer and should not be used. use Notification.Builder instead https://developer.android.com/reference/android/app/Notification.Builder.html

 Notification noti = new Notification.Builder(mContext)
     .setContentTitle("New mail from " + sender.toString())
     .setContentText(subject)
     .setSmallIcon(R.drawable.new_mail)
     .setLargeIcon(aBitmap)
     .setContentIntent(yourPendingIntent)
     .build();

您目前拥有以下内容:

Notification notification = new Notification(icon, message, when);

不推荐使用此构造函数，取而代之的是 Notification.Builder，如下所示:

This constructor is deprecated in favor of the Notification.Builder which would look like the following :

Notification notification = new Notification.Builder(context)
    .setContentText(message)
    .setSmallIcon(icon)
    .setWhen(when)
    .build();

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