Android で数独 - onClick -

新しい Activity を定義して起動する。

レイアウトを設定
Sudoku/res/layout/about.xml

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1. <!--xml version="1.0" encoding="utf-8"?-->  
2. <scrollview  
3.  xmlns:android="http://schemas.android.com/apk/res/android"  
4.  android:layout_width="fill_parent"  
5.  android:layout_height="fill_parent"  
6.  android:padding="10dip"  
7. >  
8. <textview  
9.  android:id="@+id/about_content"  
10.  android:layout_width="wrap_content"  
11.  android:layout_height="wrap_content"  
12.  android:text="@string/about_text"  
13. />  
14.   
15. </textview  
16. </scrollview  

 xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="fill_parent"
 android:layout_height="fill_parent"
 android:padding="10dip"
>
 android:id="@+id/about_content"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:text="@string/about_text"
/>

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Sudoku/res/values/strings.xml

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1. <!--xml version="1.0" encoding="utf-8"?-->  
2. <resources>  
3.  <string name="app_name">Sudoku</string>  
4.  <string name="main_title">Android Sudoku</string>  
5.  <string name="continue_label">Continue</string>  
6.  <string name="new_game_label">New Game</string>  
7.  <string name="about_label">About</string>  
8.  <string name="about_title">About Android Sudoku</string>  
9.  <string name="about_text">\  
10.  Sudoku is a logic-based number placement puzzle.  
11.  Starting with a partially completed 9x9 grid, the  
12.  objective is to fill the grid so that each row,  
13.  each column, and each of the 3x3 boxes   
14.  (also called <i>blocks</i>) contains the digits  
15.  1 to 9 exactly once.  
16.  </string>  
17.  <string name="exit_label">Exit</string>  
18. </resources>  

 Sudoku
 Android Sudoku
 Continue
 New Game
 About
 About Android Sudoku
 \
 Sudoku is a logic-based number placement puzzle.
 Starting with a partially completed 9x9 grid, the
 objective is to fill the grid so that each row,
 each column, and each of the 3x3 boxes 
 (also called blocks) contains the digits
 1 to 9 exactly once.
 
 Exit

Sudoku/src/org/example/sudoku/About.java

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1. package org.example.sudoku;  
2.   
3. import android.app.Activity;  
4. import android.os.Bundle;  
5.   
6. public class About extends Activity{  
7.  @Override  
8.  protected void onCreate(Bundle saveInstanceState) {  
9.   super.onCreate(saveInstanceState);  
10.   setContentView(R.layout.about);  
11.  }  
12. }  

package org.example.sudoku;

import android.app.Activity;
import android.os.Bundle;

public class About extends Activity{
 @Override
 protected void onCreate(Bundle saveInstanceState) {
  super.onCreate(saveInstanceState);
  setContentView(R.layout.about);
 }
}

Sudoku/src/org/example/sudoku/Sudoku.java

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1. package org.example.sudoku;  
2.   
3. import android.app.Activity;  
4. import android.os.Bundle;  
5. import android.content.Intent;  
6. import android.view.View;  
7. import android.view.View.OnClickListener;  
8.   
9. public class Sudoku extends Activity implements OnClickListener{  
10.     /** Called when the activity is first created. */  
11.     @Override  
12.     public void onCreate(Bundle savedInstanceState) {  
13.         super.onCreate(savedInstanceState);  
14.         setContentView(R.layout.main);  
15.   
16.         View continueButton = this.findViewById(R.id.continue_button);  
17.         continueButton.setOnClickListener(this);  
18.         View newButton = this.findViewById(R.id.new_button);  
19.         newButton.setOnClickListener(this);  
20.         View aboutButton = this.findViewById(R.id.about_button);  
21.         aboutButton.setOnClickListener(this);  
22.         View exitButton = this.findViewById(R.id.exit_button);  
23.         exitButton.setOnClickListener(this);  
24.     }  
25.       
26.     public void onClick(View v) {  
27.      switch(v.getId()){  
28.      case R.id.about_button:  
29.       Intent i = new Intent(this, About.class);  
30.       startActivity(i);  
31.       break;  
32.      }  
33.     }  
34.       
35. }  

package org.example.sudoku;

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

public class Sudoku extends Activity implements OnClickListener{
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        View continueButton = this.findViewById(R.id.continue_button);
        continueButton.setOnClickListener(this);
        View newButton = this.findViewById(R.id.new_button);
        newButton.setOnClickListener(this);
        View aboutButton = this.findViewById(R.id.about_button);
        aboutButton.setOnClickListener(this);
        View exitButton = this.findViewById(R.id.exit_button);
        exitButton.setOnClickListener(this);
    }
    
    public void onClick(View v) {
     switch(v.getId()){
     case R.id.about_button:
      Intent i = new Intent(this, About.class);
      startActivity(i);
      break;
     }
    }
    
}

Sudoku/AndroidManifest.xml

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1. <!--xml version="1.0" encoding="utf-8"?-->  
2. <manifest  
3.    xmlns:android="http://schemas.android.com/apk/res/android"  
4.    package="org.example.sudoku"  
5.    android:versionCode="1"  
6.    android:versionName="1.0">  
7.    <application <brbr="">      android:icon="@drawable/icon"   
8.       android:label="@string/app_name">  
9.       <activity  
10.         android:name=".Sudoku"  
11.         android:label="@string/app_name">  
12.       <intent-filter>  
13.         <action android:name="android.intent.action.MAIN">  
14.         <category android:name="android.intent.category.LAUNCHER">  
15.       </category></action></intent-filter>  
16.         
17.       <activity  
18.         android:name=".About"  
19.         android:label="@string/about_title">  
20.         
21.    </activity  
22. </activity  
23. </application>  
24.    <uses-sdk android:minsdkversion="3">  
25.    
26. </uses-sdk></manifest  

   xmlns:android="http://schemas.android.com/apk/res/android"
   package="org.example.sudoku"
   android:versionCode="1"
   android:versionName="1.0">
         android:icon="@drawable/icon" 
      android:label="@string/app_name">
              android:name=".Sudoku"
        android:label="@string/app_name">
      
        
        
      
      
              android:name=".About"
        android:label="@string/about_title">
      
   
   
 

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