第一行代码 8 丰富你的程序-运用手机多媒体

 

 

 

 

 

  NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

　　

 

 

Notification notification = new NotificationCompat.Builder(this)
                        .setContentTitle("This is content title")
                        .setContentText("This is content text")
                        .setWhen(System.currentTimeMillis())
                        .setSmallIcon(R.mipmap.ic_launcher)
                        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher))
                        .build();

　　

 

 

  manager.notify(1, notification);

　　

 

 

 

 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <Button
        android:id="@+id/send_notice"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Send notice" />

</LinearLayout>

　　

 

 

package com.example.notificationtest;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.net.Uri;
import android.support.v4.app.NotificationCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

import java.io.File;

public class MainActivity extends AppCompatActivity  implements View.OnClickListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button sendNotice = (Button) findViewById(R.id.send_notice);
        sendNotice.setOnClickListener(this);
    }

    /**
     * @param v
     */
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.send_notice:
                NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
                Notification notification = new NotificationCompat.Builder(this)
                        .setContentTitle("This is content title")
                        .setContentText("This is content text")
                        .setWhen(System.currentTimeMillis())
                        .setSmallIcon(R.mipmap.ic_launcher)
                        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher))
                        .setDefaults(NotificationCompat.DEFAULT_ALL)
                        .build();
                manager.notify(1, notification);
                break;
            default:
                break;
        }
    }

}

　　

　　

 

 

 

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:textSize="24sp"
        android:text="This is notification layout"
        />

</RelativeLayout>

　　

 

、

 

package com.example.notificationtest;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.net.Uri;
import android.support.v4.app.NotificationCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

import java.io.File;

public class MainActivity extends AppCompatActivity  implements View.OnClickListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button sendNotice = (Button) findViewById(R.id.send_notice);
        sendNotice.setOnClickListener(this);
    }

    /**
     * @param v
     */
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.send_notice:
                Intent intent = new Intent(this, NotificationActivity.class);
                PendingIntent pi = PendingIntent.getActivity(this, 0, intent, 0);
                NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
                Notification notification = new NotificationCompat.Builder(this)
                        .setContentTitle("This is content title")
                        .setContentText("This is content text")
                        .setWhen(System.currentTimeMillis())
                        .setSmallIcon(R.mipmap.ic_launcher)
                        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher))
                        .setContentIntent(pi)
                        .setDefaults(NotificationCompat.DEFAULT_ALL)
                        .setStyle(new NotificationCompat.BigPictureStyle().bigPicture(BitmapFactory.decodeResource(getResources(), R.drawable.big_image)))
                        .setPriority(NotificationCompat.PRIORITY_MAX)
                        .build();
                manager.notify(1, notification);
                break;
            default:
                break;
        }
    }

}

　　

 

 

 

package com.espressif.a8_2_tongzhi;

import android.app.NotificationManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class NotificationActivity extends AppCompatActivity {

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

        NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
        manager.cancel(1);
    }
}

　　

  .setSound(Uri.fromFile(new File("/system/media/audio/ringtones/Luna.ogg")))

　　

 

 

 .setVibrate(new long[]{0, 1000, 1000, 1000})

　　

 

 <uses-permission android:name="android.permission.VIBRATE" />

　　/

 .setLights(Color.GREEN, 1000, 1000)

　　

 

 .setStyle(new NotificationCompat.BigTextStyle().bigText("Learn how to build notifications, send and sync data, and use voice actions. Get the official Android IDE and developer tools to build apps for Android."))

　　

点击下拉前

点击下拉后

 

 直接点击

就切换到活动2了

.setStyle(new NotificationCompat.BigPictureStyle().bigPicture(BitmapFactory.decodeResource(getResources(), R.drawable.big_image)))

　　

 

 

 

                         

 

 

 

 .setPriority(NotificationCompat.PRIORITY_MAX)