Android使用系统拔号服务

使用系统拔号服务必须在AndroidManifest.xml中添加电话服务权限

AndroidManifest.xml

<?xml version="1.0" encoding="UTF-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.me.callphone">
    <application>
         <activity android:name=".MainActivity" android:label="MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
    </application>
    <uses-sdk android:minSdkVersion="3" />
    <uses-permission android:name="android.permission.CALL_PHONE"/><!--加入权限-->
</manifest>

MainActivity.java

package org.me.callphone;

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

public class MainActivity extends Activity {

    private EditText txtNo;
    private Button btnCall;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.main);
        
        txtNo=(EditText)findViewById(R.id.txtNo);
        btnCall=(Button)findViewById(R.id.btnCall);
        btnCall.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v){
               Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:"+txtNo.getText()));//拔打电话Intent
	       MainActivity.this.startActivity(intent);
            }
        });
    }
}