Android讀書筆記(1)：撥號程序

EelinkActivity.java

package com.android.eelink;import android.app.Activity;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.view.View;public class EelinkActivity extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);android.widget.Button myBtn = (android.widget.Button) findViewById(R.id.callBtn);myBtn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubandroid.widget.EditText myTxt = (android.widget.EditText) findViewById(R.id.numberTxt);String num = myTxt.getText().toString();if ((num != null) && (!num.trim().equals(""))) {android.content.Intent intent = new android.content.Intent(Intent.ACTION_CALL, Uri.parse("tel:" + num));startActivity(intent);}}});    }}

R.java

/* AUTO-GENERATED FILE.  DO NOT MODIFY. * * This class was automatically generated by the * aapt tool from the resource data it found.  It * should not be modified by hand. */package com.android.eelink;public final class R {    public static final class attr {    }    public static final class drawable {        public static final int ic_launcher=0x7f020000;    }    public static final class id {        public static final int callBtn=0x7f050001;        public static final int numberTxt=0x7f050000;    }    public static final class layout {        public static final int main=0x7f030000;    }    public static final class string {        public static final int app_name=0x7f040001;        public static final int hello=0x7f040000;    }}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.android.eelink"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk android:minSdkVersion="7" />    <uses-permission android:name="android.permission.CALL_PHONE"/>    <application        android:icon="@drawable/ic_launcher"        android:label="@string/app_name">        <activity            android:name=".EelinkActivity"            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>

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