android控件21 Activity

1)com.sxt.ActivityActivity.java

package com.sxt;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

public class ActivityActivity extends Activity {
    /** Called when the activity is first created. */
	//當Activity創建時
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.i("sxt","create");
        setContentView(R.layout.main);
        Intent intent = new Intent();
        intent.putExtra("name", "hanbing");
        intent.setClass(ActivityActivity.this, Activity2Activity.class);
        this.startActivity(intent);
        
    }
    
    //當Activity可見時
    @Override
	protected void onStart() {
		// TODO Auto-generated method stub
    	 Log.i("sxt","start");
		super.onStart();
	}
    
    //當Activity可用
    @Override
	protected void onResume() {
		// TODO Auto-generated method stub
    	Log.i("sxt","resume");
		super.onResume();
	}
    
    //當Activity不可用
	@Override
	protected void onPause() {
		// TODO Auto-generated method stub
		Log.i("sxt","pause");
		super.onPause();
	}

	//當Activity不可見
	@Override
	protected void onStop() {
		// TODO Auto-generated method stub
		Log.i("sxt","stop");
		super.onStop();
	}
	
	//當Activity銷燬
	@Override
	protected void onDestroy() {
		// TODO Auto-generated method stub
		Log.i("sxt","destroy");
		super.onDestroy();
	}
	   
}

2)com.sxt.Activity2Activity.java

package com.sxt;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;

public class Activity2Activity extends Activity {
	
	//當Activity創建時
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.i("sxt","create2");
        setContentView(R.layout.main);
        Intent intent= this.getIntent();
        String name = intent.getStringExtra("name");
        Log.i("sxt-Extra", name);
        
        //調用撥號Activity，並傳遞intent
        intent = new Intent(Intent.ACTION_DIAL, Uri .parse("tel://" + 9528)); 
        this.startActivity(intent); 
    }
    
    //當Activity可見時
    @Override
	protected void onStart() {
		// TODO Auto-generated method stub
    	 Log.i("sxt","start2");
		super.onStart();
	}
    
    //當Activity可用
    @Override
	protected void onResume() {
		// TODO Auto-generated method stub
    	Log.i("sxt","resume2");
		super.onResume();
	}
    
    //當Activity不可用
	@Override
	protected void onPause() {
		// TODO Auto-generated method stub
		Log.i("sxt","pause2");
		super.onPause();
	}

	//當Activity不可見
	@Override
	protected void onStop() {
		// TODO Auto-generated method stub
		Log.i("sxt","stop2");
		super.onStop();
	}
	
	//當Activity銷燬
	@Override
	protected void onDestroy() {
		// TODO Auto-generated method stub
		Log.i("sxt","destroy2");
		super.onDestroy();
	}

}

3)AndroidManifest.xml

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

    <uses-sdk android:minSdkVersion="10" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:label="@string/app_name"
            android:name=".ActivityActivity" >
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        
         <!-- 添加Activity2Activity的聲明 -->   
        <activity android:name=".Activity2Activity"
                  android:label="@string/app_name"></activity>
    </application>

</manifest>

4)如圖