自定义通知栏布局

效果图:

通知栏布局custom_notification.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout    android:id="@+id/ll_root"    xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="62dp"    android:background="#282828"    android:gravity="center_vertical"    android:orientation="horizontal"    android:paddingLeft="8dp"    android:paddingRight="8dp">    <ImageView        android:layout_width="50dp"        android:layout_height="50dp"        android:src="@drawable/icon_notification"/>    <LinearLayout        android:layout_width="0dp"        android:layout_height="wrap_content"        android:layout_weight="1"        android:gravity="center_vertical"        android:orientation="vertical">        <TextView            android:id="@+id/tv_content_title"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="歌曲名"            android:textColor="#FFFFFF"/>        <TextView            android:id="@+id/tv_content_text"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="歌手"            android:textColor="#77FFFFFF"/>    LinearLayout>    <Button        android:id="@+id/btn_pre"        android:layout_width="30dp"        android:layout_height="30dp"        android:background="@drawable/icon_notification_pre"/>    <Button        android:id="@+id/btn_next"        android:layout_width="30dp"        android:layout_height="30dp"        android:layout_marginLeft="16dp"        android:layout_marginRight="8dp"        android:background="@drawable/icon_notification_next"/>LinearLayout>

MainActivity.java

package blog.csdn.net.mchenys.mycustomnotification;import android.app.Notification;import android.app.NotificationManager;import android.app.PendingIntent;import android.content.Intent;import android.os.Bundle;import android.support.v4.app.NotificationCompat;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.RemoteViews;public class MainActivity extends AppCompatActivity implements View.OnClickListener {    private static final int CODE_NOTIFICATION = 200; //构建PaddingIntent的请求码,可用于关闭通知    private NotificationManager mNotificationManager; //通知管理器    private static final int NOTIFICATION_PRE = 1; //上一首    private static final int NOTIFICATION_NEXT = 2; //下一首    private static final int NOTIFICATION_OPEN = 3; //打开歌曲    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        findViewById(R.id.btn_send).setOnClickListener(this);        findViewById(R.id.btn_cancle).setOnClickListener(this);        mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);    }    @Override    public void onClick(View v) {        switch (v.getId()) {            case R.id.btn_send:                createCustomNotification();                break;            case R.id.btn_cancle:                mNotificationManager.cancel(CODE_NOTIFICATION);                break;        }    }    private void createCustomNotification() {        Intent intent = new Intent(this, MusicPlayerActivity.class);        //如果第二次获取并且请求码相同,如果原来已解决创建了这个PendingIntent,则复用这个类,并更新intent        int flag = PendingIntent.FLAG_UPDATE_CURRENT;        PendingIntent contentIntent = PendingIntent.getActivity(this, 3, intent, flag);        NotificationCompat.Builder builder = new NotificationCompat.Builder(this)                .setSmallIcon(R.drawable.icon_notification)                .setTicker("当前正在播放..")                .setWhen(System.currentTimeMillis())                .setContentTitle("歌曲名")                .setContentText("歌手") //以上的设置是在为了兼容3.0之前的版本                .setContentIntent(contentIntent)                .setContent(getRemoteView()); //自定义通知栏view的api是在3.0之后生效        Notification notification = builder.build();        //打开通知        mNotificationManager.notify(CODE_NOTIFICATION, notification);    }    /**     * 创建RemoteViews,3.0之后版本使用     *     * @return     */    public RemoteViews getRemoteView() {        RemoteViews remoteViews = new RemoteViews(getPackageName(), R.layout.custom_notification);        remoteViews.setTextViewText(R.id.tv_content_title, "歌曲名");        remoteViews.setTextViewText(R.id.tv_content_text, "歌手");        //打开上一首        remoteViews.setOnClickPendingIntent(R.id.btn_pre, getClickPendingIntent(NOTIFICATION_PRE));         //打开下一首        remoteViews.setOnClickPendingIntent(R.id.btn_next, getClickPendingIntent(NOTIFICATION_NEXT));         //点击整体布局时,打开播放器        remoteViews.setOnClickPendingIntent(R.id.ll_root, getClickPendingIntent(NOTIFICATION_OPEN));        return remoteViews;    }    /**     * 获取点击自定义通知栏上面的按钮或者布局时的延迟意图     *     * @param what 要执行的指令     * @return     */    public PendingIntent getClickPendingIntent(int what) {        Intent intent = new Intent(this, MusicPlayerActivity.class);        intent.putExtra("cmd", what);        int flag = PendingIntent.FLAG_UPDATE_CURRENT;        PendingIntent clickIntent = PendingIntent.getActivity(this, what, intent, flag );        return clickIntent;    }}

MusicPlayerActivity.java

/** * Created by mChenys on 2016/4/4. */public class MusicPlayerActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        int what = getIntent().getIntExtra("cmd", -1);        TextView textView = new TextView(this);        textView.setGravity(Gravity.CENTER);        textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 25);        textView.setText("接收到通知的请求:" + what);        setContentView(textView);    }}

运行效果:

点击上一首:

点击下一首:

点击整体布局:

效果图:

通知栏布局custom_notification.xml

MainActivity.java

MusicPlayerActivity.java

运行效果:

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