学步园

main.xml

<?xml version="1.0" encoding="utf-8"?><br /> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"<br /> android:orientation="vertical"<br /> android:layout_width="fill_parent"<br /> android:layout_height="fill_parent"<br /> ><br /> <TextView<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> android:text="@string/hello"<br /> /><br /> <TextView<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> android:text="@string/inputphonenumber"<br /> /><br /> <EditText<br /> android:id="@+id/phonenumber"<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> android:phoneNumber="true"<br /> /><br /> <Button<br /> android:id="@+id/btn_call"<br /> android:layout_width="wrap_content"<br /> android:layout_height="wrap_content"<br /> android:text="@string/call"<br /> /><br /> </LinearLayout> 

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><br /> <manifest xmlns:android="http://schemas.android.com/apk/res/android"<br /> package="com.wide.phone"<br /> android:versionCode="1"<br /> android:versionName="1.0"><br /> <uses-sdk android:minSdkVersion="8" /><br /> <!--添加可以向外拨打电话的权限 --><br /> <uses-permission android:name="android.permission.CALL_PHONE"></uses-permission><br /> <application android:icon="@drawable/icon" android:label="@string/app_name"><br /> <activity android:name=".phoneAcitivity"<br /> android:label="@string/app_name"><br /> <intent-filter><br /> <action android:name="android.intent.action.MAIN" /><br /> <category android:name="android.intent.category.LAUNCHER" /><br /> </intent-filter><br /> </activity><br /> </application><br /> </manifest> 

phoneActivity.java

package com.wide.phone;<br /> import android.app.Activity;<br /> import android.content.Intent;<br /> import android.net.Uri;<br /> import android.os.Bundle;<br /> import android.view.View;<br /> import android.view.View.OnClickListener;<br /> import android.widget.Button;<br /> import android.widget.EditText;<br /> public class phoneAcitivity extends Activity {<br /> /** Called when the activity is first created. */<br /> @Override<br /> public void onCreate(Bundle savedInstanceState) {<br /> super.onCreate(savedInstanceState);<br /> setContentView(R.layout.main);</p> <p> Button btn_call = (Button) findViewById(R.id.btn_call);</p> <p> btn_call.setOnClickListener(new OnClickListener() {<br /> public void onClick(View v) {<br /> // TODO Auto-generated method stub<br /> EditText et_phonenumber = (EditText)findViewById(R.id.phonenumber);<br /> String number = et_phonenumber.getText().toString();<br /> //用intent启动拨打电话<br /> Intent intent = new Intent(Intent.ACTION_CALL,Uri.parse("tel:"+number));<br /> startActivity(intent);<br /> }<br /> });<br /> }<br /> }