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>