我正在开发一个必须接收推送通知的应用程序,我尝试了一切使其工作,但它不起作用,这是我的代码
public class MyFirebaseInstanceService extends FirebaseMessagingService {
@Override
public void onMessageReceived(RemoteMessage remoteMessage) {
super.onMessageReceived(remoteMessage);
if (remoteMessage.getData().isEmpty()) {
showNotification(remoteMessage.getNotification().getTitle(), remoteMessage.getNotification().getBody());
}
else
{
showNotification(remoteMessage.getData());
}
}
private void showNotification(Map<String, String> data) {
String title = data.get("title").toString();
String body = data.get("body").toString();
NotificationManager notificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
String NOTIFICATION_CHANNEL_ID = "example.myapplication.service.test";
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
{
NotificationChannel notificationChannel = new NotificationChannel(NOTIFICATION_CHANNEL_ID,"Notification",
NotificationManager.IMPORTANCE_DEFAULT);
notificationChannel.setDescription("Team Tarang");
notificationChannel.enableLights(true);
notificationChannel.setLightColor(Color.BLUE);
notificationChannel.enableLights(true);
notificationManager.createNotificationChannel(notificationChannel);
}
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this,NOTIFICATION_CHANNEL_ID);
notificationBuilder.setAutoCancel(true)
.setDefaults(Notification.DEFAULT_ALL)
.setWhen(System.currentTimeMillis())
.setContentTitle(title)
.setContentText(body)
.setContentInfo("Info");
notificationManager.notify(new Random().nextInt(),notificationBuilder.build());
}
private …Run Code Online (Sandbox Code Playgroud) 我有一个很大的问题,我的Android应用程序在AVD模拟器上工作正常,但当我尝试将其导出为SDK包时出现许多unlogic错误我认为原因是应用程序中的一些东西"AndroidManifest.xml"
这是我的"AndroidManifest.xml"代码
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.googlecloudmessaging"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="21" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<permission android:name="com.example.googlecloudmessaging.permission.C2D_MESSAGE"
android:protectionLevel="signature" ></permission>
<uses-permission android:name="com.example.googlecloudmessaging.permission.C2D_MESSAGE" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver
android:name=".GcmReceiver"
android:permission="com.google.android.c2dm.permission.SEND"
>
<intent-filter>
<action android:name="com.google.android.c2dm.intent.RECEIVE" />
<category android:name="com.example.googlecloudmessaging"/>
</intent-filter>
</receiver>
<service android:name=".GcmMessageHandler"></service>
<meta-data android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version"/>
</application>
</manifest>
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这是unlogic错误
"app_name" is not translated in "af" (Afrikaans), …Run Code Online (Sandbox Code Playgroud) 我在数据库中的所有表中有一个公共列,我需要通过所有表中的循环来更新此列的值
我尝试使用这段代码但没有发生任何事情
DECLARE TBL_CURSOR CURSOR
FOR ( SELECT Name FROM Sysobjects WHERE Type='U' )
DECLARE @SQL NVARCHAR(MAX);
SET @SQL = '';
DECLARE @TblName NVARCHAR(MAX);
OPEN TBL_CURSOR
FETCH NEXT FROM TBL_CURSOR INTO @TblName
BEGIN
SET @SQL = ' If not exists (select column_name from INFORMATION_SCHEMA.columns where table_name = '+ @TblName +' and column_name = "CommonColumn") update ' + @TblName + ' set CommonColumn= 1 ';
FETCH NEXT FROM TBL_CURSOR INTO @TblName
END
CLOSE TBL_CURSOR
DEALLOCATE TBL_CURSOR
EXEC (@SQL);
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有人有更好的想法或修复此代码吗?