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如何在运行...like Whatsapp和Telegram的安卓前台服务不通知的情况下设置通知接收方?

在运行类似于WhatsApp和Telegram的安卓前台服务不通知的情况下设置通知接收方,可以通过以下步骤实现:

  1. 首先,确保你的应用程序已经获取了通知权限。在AndroidManifest.xml文件中添加以下代码:
代码语言:txt
复制
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
<uses-permission android:name="android.permission.REQUEST_COMPANION_RUN_IN_BACKGROUND" />
<uses-permission android:name="android.permission.REQUEST_COMPANION_USE_DATA_IN_BACKGROUND" />
<uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
<uses-permission android:name="android.permission.REQUEST_COMPANION_RUN_IN_BACKGROUND" />
<uses-permission android:name="android.permission.REQUEST_COMPANION_USE_DATA_IN_BACKGROUND" />
<uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
  1. 创建一个继承自Service的类,用于处理通知的接收和显示。在该类中,你可以使用NotificationManager来创建和管理通知。以下是一个示例代码:
代码语言:txt
复制
public class NotificationService extends Service {

    private static final int NOTIFICATION_ID = 1;
    private static final String CHANNEL_ID = "MyChannel";

    private NotificationManager notificationManager;

    @Override
    public void onCreate() {
        super.onCreate();
        notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        createNotificationChannel();
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        if (intent != null) {
            String message = intent.getStringExtra("message");
            showNotification(message);
        }
        return START_STICKY;
    }

    private void createNotificationChannel() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            NotificationChannel channel = new NotificationChannel(CHANNEL_ID, "My Channel", NotificationManager.IMPORTANCE_DEFAULT);
            notificationManager.createNotificationChannel(channel);
        }
    }

    private void showNotification(String message) {
        Intent intent = new Intent(this, MainActivity.class);
        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);

        NotificationCompat.Builder builder = new NotificationCompat.Builder(this, CHANNEL_ID)
                .setSmallIcon(R.drawable.ic_notification)
                .setContentTitle("New Message")
                .setContentText(message)
                .setContentIntent(pendingIntent)
                .setAutoCancel(true);

        notificationManager.notify(NOTIFICATION_ID, builder.build());
    }

    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }
}
  1. 在你的应用程序的主活动(MainActivity)中,启动服务并发送通知。以下是一个示例代码:
代码语言:txt
复制
public class MainActivity extends AppCompatActivity {

    private static final String TAG = "MainActivity";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        startNotificationService("Hello, World!");
    }

    private void startNotificationService(String message) {
        Intent intent = new Intent(this, NotificationService.class);
        intent.putExtra("message", message);
        startService(intent);
    }
}

通过以上步骤,你可以在运行类似于WhatsApp和Telegram的安卓前台服务不通知的情况下设置通知接收方。请注意,以上代码仅为示例,你需要根据自己的实际需求进行适当的修改和调整。

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