Activity声明周期2

FirstActivity.java

import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.app.Activity;
import android.content.Intent;

public class FirstActivity extends Activity {
    private Button myButton;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        System.out.println("FirstActivity ---> onCreate     ");
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_first);
        myButton = (Button) findViewById(R.id.myButton);
        myButton.setOnClickListener(new ButtonListener());
    }
    
    @Override
    protected void onDestroy() {
        System.out.println("FirstAcvity --->onDestory");
        super.onDestroy();
    }

    @Override
    protected void onPause() {
        System.out.println("FirstAcvity --->onPause");
        super.onPause();
    }

    @Override
    protected void onRestart() {
        System.out.println("FirstAcvity --->onRestart");
        super.onRestart();
    }

    @Override
    protected void onResume() {
        System.out.println("FirstAcvity --->onResume");
        super.onResume();
    }

    @Override
    protected void onStart() {
        System.out.println("FirstAcvity --->onStart");
        super.onStart();
    }

    @Override
    protected void onStop() {
        System.out.println("FirstAcvity --->onStop");
        super.onStop();
    }
    
    
    class ButtonListener implements OnClickListener{

        @Override
        public void onClick(View v) {
            Intent intent = new Intent();
            intent.setClass(FirstActivity.this, SecondActivity.class);
            FirstActivity.this.startActivity(intent);
        }
        
    }
}

 activity_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="@string/hello_world"
    />
<Button
    android:id="@+id/myButton"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="@string/first_button"
    />
</LinearLayout>

SecondActivity.java

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class SecondActivity extends Activity{
    private Button secondButton;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        System.out.println("SecondActivity--->onCreate");
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_second);
        
        secondButton = (Button)findViewById(R.id.secondButton);
        secondButton.setOnClickListener(new ButtonListener());
    }
    
    
    @Override
    protected void onDestroy() {
        System.out.println("SecondActivity--->onDestory");
        super.onDestroy();
    }

    @Override
    protected void onPause() {
        System.out.println("SecondActivity--->onPause");
        super.onPause();
    }

    @Override
    protected void onRestart() {
        System.out.println("SecondActivity--->onRestart");
        super.onRestart();
    }

    @Override
    protected void onResume() {
        System.out.println("SecondActivity--->onResume");
        super.onResume();
    }

    @Override
    protected void onStart() {
        System.out.println("SecondActivity--->onStart");
        super.onStart();
    }

    @Override
    protected void onStop() {
        System.out.println("SecondActivity--->onStop");
        super.onStop();
    }
    
    
    class ButtonListener implements OnClickListener{

        @Override
        public void onClick(View v) {
            Intent intent = new Intent();
            intent.setClass(SecondActivity.this, FirstActivity.class);
            SecondActivity.this.startActivity(intent);
        }
        
    }
}

activity_second.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    >
    <TextView 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        />
       <Button 
           android:id="@+id/secondButton"
           android:layout_width="fill_parent"
           android:layout_height="wrap_content"
           android:text="@string/second_button"
           />
</LinearLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.mars.activity05"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="4"
        android:targetSdkVersion="18" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.mars.activity05.FirstActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".SecondActivity"
                  android:label="SecondActivity"
                  android:theme="@android:style/Theme.Dialog"/>
        <!--android:theme="@android:style/Theme.Dialog"/>,表示将这个Activity的格式设置为，对话框的形式-->
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <string name="app_name">Activity05</string>
    <string name="action_settings">Settings</string>
    <string name="hello_world">Hello world!</string>
    <string name="first_button">FirstButton</string>
    <string name="second_button">SecondButton</string>

</resources>