Dialog式的Activity(AndroidActivity生命周期)

 1 package com.example.activitydialog;
 2 
 3 import android.app.Activity;
 4 import android.content.Intent;
 5 import android.os.Bundle;
 6 import android.view.Menu;
 7 import android.view.View;
 8 import android.view.View.OnClickListener;
 9 import android.widget.Button;
10 
11 public class MainActivity extends Activity {
12 
13     private Button btn = null;
14     
15     @Override
16     protected void onCreate(Bundle savedInstanceState) {
17 System.out.println("MainActivity onCreate");
18         // TODO Auto-generated method stub
19         super.onCreate(savedInstanceState);
20         setContentView(R.layout.activity_main);
21         
22         btn = (Button)findViewById(R.id.btnMain);
23         //pop a dialog activity.
24         btn.setOnClickListener(new OnClickListener() {
25             
26             @Override
27             public void onClick(View v) {
28                 Intent intent = new Intent(MainActivity.this, DialogActivity.class);
29                 startActivity(intent);
30             }
31         });
32     }
33 
34     @Override
35     protected void onDestroy() {
36 System.out.println("MainActivity onDestroy");        
37         // TODO Auto-generated method stub
38         super.onDestroy();
39     }
40 
41     @Override
42     protected void onPause() {
43         System.out.println("MainActivity onPause");        
44         // TODO Auto-generated method stub
45         super.onPause();
46     }
47 
48     @Override
49     protected void onRestart() {
50         System.out.println("MainActivity onRestart");
51         // TODO Auto-generated method stub
52         super.onRestart();
53     }
54 
55     @Override
56     protected void onResume() {
57         System.out.println("MainActivity onResume");
58         // TODO Auto-generated method stub
59         super.onResume();
60     }
61 
62     @Override
63     protected void onStart() {
64         System.out.println("MainActivity onStart");
65         // TODO Auto-generated method stub
66         super.onStart();
67     }
68 
69     @Override
70     protected void onStop() {
71         System.out.println("MainActivity onStop");
72         // TODO Auto-generated method stub
73         super.onStop();
74     }
75 
76 
77     @Override
78     public boolean onCreateOptionsMenu(Menu menu) {
79         // Inflate the menu; this adds items to the action bar if it is present.
80         getMenuInflater().inflate(R.menu.main, menu);
81         return true;
82     }
83 
84 }

 1 package com.example.activitydialog;
 2 
 3 import android.app.Activity;
 4 import android.content.Intent;
 5 import android.os.Bundle;
 6 import android.view.View;
 7 import android.view.View.OnClickListener;
 8 import android.widget.Button;
 9 
10 public class DialogActivity extends Activity {
11 
12     private Button btn = null;
13 
14     @Override
15     protected void onCreate(Bundle savedInstanceState) {
16         System.out.println("DialogActivity onCreate");
17         // TODO Auto-generated method stub
18         super.onCreate(savedInstanceState);
19         setContentView(R.layout.activity_dialog);
20 
21         btn = (Button) findViewById(R.id.btnDialog);
22         //go to the previous activity when click on the button.
23         btn.setOnClickListener(new OnClickListener() {
24 
25             @Override
26             public void onClick(View v) {
27                 Intent intent = new Intent(DialogActivity.this, MainActivity.class);
28                 startActivity(intent);
29             }
30         });
31     }
32 
33     @Override
34     protected void onDestroy() {
35         System.out.println("DialogActivity onDestroy");
36         // TODO Auto-generated method stub
37         super.onDestroy();
38     }
39 
40     @Override
41     protected void onPause() {
42         System.out.println("DialogActivity onPause");
43         // TODO Auto-generated method stub
44         super.onPause();
45     }
46 
47     @Override
48     protected void onRestart() {
49         System.out.println("DialogActivity onRestart");
50         // TODO Auto-generated method stub
51         super.onRestart();
52     }
53 
54     @Override
55     protected void onResume() {
56         System.out.println("DialogActivity onResume");
57         // TODO Auto-generated method stub
58         super.onResume();
59     }
60 
61     @Override
62     protected void onStart() {
63         System.out.println("DialogActivity onStart");
64         // TODO Auto-generated method stub
65         super.onStart();
66     }
67 
68     @Override
69     protected void onStop() {
70         System.out.println("DialogActivity onStop");
71         // TODO Auto-generated method stub
72         super.onStop();
73     }
74 
75 }

 1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:paddingBottom="@dimen/activity_vertical_margin"
 6     android:paddingLeft="@dimen/activity_horizontal_margin"
 7     android:paddingRight="@dimen/activity_horizontal_margin"
 8     android:paddingTop="@dimen/activity_vertical_margin"
 9     tools:context=".MainActivity" >
10 
11     <Button
12         android:id="@+id/btnMain"
13         android:layout_width="wrap_content"
14         android:layout_height="wrap_content"
15         android:text="@string/second_activity" />
16 
17 RelativeLayout>

 1 xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:orientation="vertical" 
 6     >
 7     <Button 
 8         android:id="@+id/btnDialog"
 9         android:layout_width="fill_parent"
10         android:layout_height="fill_parent"
11         android:text="@string/second_activity"
12         />
13 LinearLayout>