Android Implementation dialing function

Dial-up interface:

  
 

   
  

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

  
 android:layout_width="match_parent"
   
  

  
 android:layout_height="match_parent"
   
  

  
 android:orientation="vertical" >
   
  

  

   
  

  
 <!-- match_parent: 匹配父元素,父元素有多宽,我就有多宽;父元素有多高,我就有多高 -->
   
  

  
 <!-- wrap_content:包裹内容,我的内容有多高,我就有多高,我的内容有多宽,我就有多宽 -->
   
  

  

   
  

  
 <EditText
   
  

  
 android:id="@+id/et_input_num"
   
  

  
 android:layout_width="match_parent"
   
  

  
 android:layout_height="wrap_content"
   
  

  
 android:inputType="phone" >
   
  

  
 </EditText>
   
  

  
 <!-- android:text: 指定按钮上的显示文字 -->
   
  

  
 <!-- android:onClick: 定义点击事件 -->
   
  

  

   
  

  
 <Button
   
  

  
 android:layout_width="wrap_content"
   
  

  
 android:layout_height="wrap_content"
   
  

  
 android:onClick="call"
   
  

  
 android:text="打电话" />
   
  

  

   
  

  
</LinearLayout>
  
 

//V: The control on your behalfpublic void Call (view view) {             EditText EditText = (EditText) Findviewbyid (r.id. Input_num );            //Get the phone number entered by the user            StringPhone_number = EditText. GetText (). toString ();//Delete the string header and trailing spaces   
        Phone_number = Phone_number.trim ();         /**             * Context: Contexts, Environment <br/>             * Text: What to display <br/>            * Duration: constant//duration of display             *              */             Toast. Maketext (this, Phone_number , Toast. Length_long );        if (phone_number! = null &&!phone_number.equals ("")) {          //Call system Dial-up service to make phone call function            //Call            //Intent: intention. I want to do something.             Intent t = new Intent ();             //Action: action. What exactly do I want to do?            //intent.action_dial: Activate Dial-up interface            //Intent.action_call: Call directly            t.setaction (Intent. Action_call );            //Data: Statistics-additional data required for specific actions           //Encapsulates a call intent and wraps the phone number as a URI object .into          t.setdata (Uri. Parse ("Tel:" + Phone_number));            //Notification system you go work for me.            startactivity (t);}          } finally add in Androidmanifest.xml<uses-permission android:name= "Android.permission.CALL_PHONE"/>

remark:Toast. maketext() consumerMethod1. Default display mode
2. Customize the display position 3. With picture 4. Fully customizable display mode




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Android Implementation dialing function