我正在尝试使用此 post 为我的 Android 应用程序创建自定义通知,我偶然发现了一个问题,我在过去 2 小时内试图解决这个问题。
只有我的布局的 imageview 显示,我不知道如何让它按预期工作。
我的代码:
package be.ac.ucl.lfsab1509.cumulus.services;
import android.app.Notification;
import android.app.PendingIntent;
import android.content.Intent;
import android.support.v4.app.NotificationCompat;
import android.support.v4.app.TaskStackBuilder;
import android.widget.RemoteViews;
import be.ac.ucl.lfsab1509.cumulus.R;
import be.ac.ucl.lfsab1509.cumulus.activities.MainActivity;
import be.ac.ucl.lfsab1509.cumulus.entities.Song;
public class CumulusNotification {
private CumulusService mCtx;
private CumulusMediaPlayer mPlayer;
private Notification mNotification;
private NotificationCompat.Builder mBuilder;
private RemoteViews mContentView;
public CumulusNotification(CumulusService ctx, CumulusMediaPlayer player){
mCtx = ctx;
mPlayer = player;
mBuilder = new NotificationCompat.Builder(
mCtx);
mBuilder.setSmallIcon(R.drawable.ic_stat_cumulus_notification);
//mBuilder.setContentTitle("Cumulus is playing");
//mBuilder.setTicker("Cumulus");
//mBuilder.setContentText(mCtx.getCurrentSong().title());
Intent resultIntent = new Intent(mCtx, MainActivity.class);
resultIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_CLEAR_TOP);
resultIntent.setAction(Intent.ACTION_MAIN);
TaskStackBuilder stackBuilder = TaskStackBuilder.create(mCtx);
stackBuilder.addParentStack(MainActivity.class);
stackBuilder.addNextIntent(resultIntent);
PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
PendingIntent.FLAG_UPDATE_CURRENT);
mBuilder.setContentIntent(resultPendingIntent);
mContentView = new RemoteViews(mCtx.getPackageName(), R.layout.statusbar);
mContentView.setImageViewResource(R.id.notifimage, R.drawable.cumulus_icon);
mContentView.setTextViewText(R.id.notiftitle, "Custom notification");
mContentView.setTextViewText(R.id.notiftext, "This is a custom layout");
mBuilder.setContent(mContentView);
}
public void startNotification() {
mNotification = mBuilder.build();
//mNotification.contentView = mContentView;
mCtx.startForeground(R.integer.NOTIFICATION_ID, mNotification);
}
public void updateSong(Song song){
mBuilder.setContentText(song.title());
mNotification = mBuilder.build();
mCtx.startForeground(R.integer.NOTIFICATION_ID, mNotification);
}
}
xml文件:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/layout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="10dp"
android:gravity="left" >
<ImageView android:id="@+id/notifimage"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_alignParentLeft="true"
android:layout_marginRight="10dp" />
<TextView android:id="@+id/notiftitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/notifimage" />
<TextView android:id="@+id/notiftext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/notifimage"
android:layout_below="@id/notiftitle" />
</RelativeLayout>
感谢帮助
最佳答案
问题是您没有设置正确的 contentView。
mBuilder.setContent(contentView);
但是你的远程 View 是mContentView。改成
mBuilder.setContent(mContentView);
这是一个例子
NotificationCompat.Builder mBuilder =
new NotificationCompat.Builder(this).setSmallIcon(R.drawable.ic_launcher);
RemoteViews mContentView = new RemoteViews(getPackageName(), R.layout.test_tt);
mContentView.setImageViewResource(R.id.image, R.drawable.ic_action_search);
mContentView.setTextViewText(R.id.title, "Custom notification");
mContentView.setTextViewText(R.id.text, "This is a custom layout");
mBuilder.setContent(mContentView);
startForeground(1001, mBuilder.build());
关于带有 RemoteViews 的 Android 自定义通知布局,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23222063/