Android phone number dialing development instance, android phone number dialing

Android phone number dialing development instance, android phone number dialing

The most common function of a mobile phone is to call and send text messages. In Android development, how do we call the phone through a program? This article provides a simple example of using an Android mobile phone to call.

The steps for developing this instance are as follows:

1. Create an Android project named phoneCallDemo.

2. Open the main. xml interface to modify the content as follows:

XML/HTML code

1. <? Xml version = "1.0" encoding = "UTF-8"?>
3. <LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android"
5. Android: orientation = "vertical"
7. Android: layout_width = "fill_parent"
9. Android: layout_height = "fill_parent"
11. >
13. <TextView
15. Android: layout_width = "fill_parent"
17. Android: layout_height = "wrap_content"
19. Android: text = "Please input the phoneNumer :"
21. />
23. <EditText
25. Android: id = "@ + id/et1"
27. Android: layout_width = "fill_parent"
29. Android: layout_height = "wrap_content"
31. Android: phoneNumber = "true"
33. />
35. <Button
37. Android: id = "@ + id/bt1"
39. Android: layout_width = "wrap_content"
41. Android: layout_height = "wrap_content"
43. Android: text = "Call Phone"
45. />
47. </LinearLayout>

3. Add the call permission and open AndroidManifest. xml. Modify the Code as follows:

XML/HTML code

1. <? Xml version = "1.0" encoding = "UTF-8"?>
3. <Manifest xmlns: android = "http://schemas.android.com/apk/res/android"
5. Package = "com. android. test"
7. Android: versionCode = "1"
9. Android: versionName = "1.0" type = "codeph" text = "/codeph">
11. <Application android: icon = "@ drawable/icon" android: label = "@ string/app_name">
13. <Activity android: name = ". PhoneCallDemo"
15. Android: label = "@ string/app_name">
17. <Intent-filter>
19. <Action android: name = "android. intent. action. MAIN"/>
21. <Category android: name = "android. intent. category. LAUNCHER"/>
23. </Intent-filter>
25. </Activity> </application>
27. <Uses-sdk android: minSdkVersion = "3"/>
29. <Uses-permission android: name = "android. permission. CALL_PHONE">
31. </Uses-permission>
33. </Manifest>

4. The main program phoneCallDemo. java code is as follows:

Java code

1. Package com. android. test; import android. app. Activity;
3. Import android. content. Intent;
5. Import android.net. Uri;
7. Import android. OS. Bundle;
9. Import android. view. View;
11. Import android. widget. Button;
13. Import android. widget. EditText;
15. Import android. widget. Toast;
16.  
17. Public class PhoneCallDemo extends Activity {
19. Private Button bt;
21. Private EditText et;
23. Public void onCreate (Bundle savedInstanceState ){
25. Super. onCreate (savedInstanceState );
27. SetContentView (R. layout. main );
29. // Obtain resources
31. Bt = (Button) findViewById (R. id. bt1 );
33. Et = (EditText) findViewById (R. id. et1 );
35. // Add Event Response
37. Bt. setOnClickListener (new Button. OnClickListener () {@ Override
39. Public void onClick (View v ){
41. // Obtain the entered phone number string
43. String inputStr = et. getText (). toString ();
45. // If the input is not empty, create the Intent for the call.
47. If (inputStr. trim (). length ()! = 0)
49. {
51. Intent phoneIntent = new Intent ("android. intent. action. CALL ",
53. Uri. parse ("tel:" + inputStr ));
55. // Start
57. StartActivity (phoneIntent );
59. }
61. // Otherwise, Toast prompts
63. Else {
65. Toast. makeText (PhoneCallDemo. this, "cannot be blank", Toast. LENGTH_LONG). show ();
67. }
69. }
71. });
73. }

 

Android Development Instance source code

API demo, but no remote database
Teaching blogs are basic things. They are nothing more than how to use APIs.
 
In eclipse android development, a mobile phone interface is implemented. You can call a phone call directly. If you can call a phone call, how can you do this?

It is best to use a real machine to test the call permission added to the list file; if not, you can test two simulators.