蜗牛—Android基础之拨打电话

Java代码

package com.wjj.phone;

import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {

private Button button;

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

button = (Button) findViewById(R.id.button);

ButtonClickListener buttonClickListener = new ButtonClickListener();

button.setOnClickListener(buttonClickListener);
}

private class ButtonClickListener implements OnClickListener {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
EditText editText = (EditText) findViewById(R.id.mobile);
String number = editText.getText().toString();
Intent intent = new Intent();
intent.setAction("android.intent.action.CALL");
// intent.addCategory("android.intent.category.DEFAULT");
intent.setData(Uri.parse("tel:" + number));
startActivity(intent); // 方法内部会自动添加类别intent.addCategory("android.intent.category.DEFAULT");
}

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}


XML--布局
<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" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/mobile" />

<EditText
android:id="@+id/mobile"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />

<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/boda" />

</RelativeLayout>

XML--main
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.wjj.phone"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />

<!-- 拨打电话的权限 -->
<uses-permission android:name="android.permission.CALL_PHONE" />

<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.wjj.phone.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>

</manifest>