安卓第三天笔记--通知-进度条-时期，安卓第三天

安卓第三天笔记--通知-进度条-时期

1.通知Notification

通知就是在是上方的状态栏弹出通知消息

 

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity" >

 

    <Button

        android:onClick="send"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="发送通知" />

 

</RelativeLayout>

 

<?xml version="1.0" encoding="utf-8"?>

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

   

    <TextView

        android:id="@+id/tv"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="这是通知的跳转页面"/>

 

    <ImageView

        android:id="@+id/iv"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:src="@drawable/swift"/>

   

</LinearLayout>

 

/**

 * 收到通知时,点击通知打开的Activity

    

 * @author 刘楠

 *

 * 2016-2-19下午11:03:44

 */

public class OtherActivity extends Activity {

 

     @Override

     protected void onCreate(Bundle savedInstanceState) {

        

         super.onCreate(savedInstanceState);

         setContentView(R.layout.other);

     }

 

    

}

 

 

ManiActivity

 

/**

 * 发送通知

    

 * @author 刘楠

 *

 * 2016-2-19下午7:20:05

 */

public class MainActivity extends Activity {

 

     private NotificationManager manager;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         //获取通知管理器

         manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

        

     }

 

 

     /**

      * 发送通知

      * @param v

      */

     @SuppressLint("NewApi")

     public void send(View v){

         //创建一个启动的Intent意图

         Intent intent = new Intent();

         intent.setClass(this, OtherActivity.class);

         //打开A description of an Intent and target action to perform with it

         PendingIntent pendingIntent =PendingIntent.getActivity(this, 0, intent, 0);

        

         //建立通知

         Notification notification = new Notification.Builder(this)

         //设置打开通知

         .setAutoCancel(true)

         //状态栏显示的信息

         .setTicker("状态栏显示的信息")

         //设置通知的图标

         .setSmallIcon(R.drawable.notify)

         //设置内容标题

         .setContentTitle("一条新的通知")

         //设置通知的内容

         .setContentText("恭喜您,您加薪了,工资增加20%")

         .setContentIntent(pendingIntent)

         //设置通知的声音

         .build();

         //发送一个通知

         manager.notify(0, notification);

        

     }

 

}

 

2.TitleProgressBar

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

     android:orientation="horizontal"

     android:layout_width="match_parent"

     android:layout_height="match_parent">

     <Button

         android:id="@+id/btn1"

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:layout_gravity="center_horizontal"

         android:text="显示"

         />

     <Button

         android:id="@+id/btn2"

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:layout_gravity="center_horizontal"

         android:text="隐藏"

         />

</LinearLayout>

 

 

/**

 * 标题栏上方显示进度条

    

 * @author 刘楠

 *

 * 2016-2-19下午11:12:21

 */

public class MainActivity extends Activity {

 

     private Button btn1;

     private Button btn2;

 

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

        

         requestWindowFeature(Window.FEATURE_PROGRESS);