在位圖背景之上的Android按鈕沒有顯示

Question

我已經愚弄了這幾天，但無法讓它工作，雖然它編譯沒有錯誤，apk安裝在模擬器中。模擬器顯示位圖（res/drawable/scr0.png）正常，但沒有按鈕顯示，也沒有響應點擊。

import android.os.Bundle; 
import android.app.Activity; 
import android.content.Context; 
import android.content.Intent; 
import android.graphics.Bitmap; 
import android.graphics.BitmapFactory; 
import android.graphics.Canvas; 
import android.graphics.Color; 
import android.view.Menu; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.Button; 

//public class PageOne extends Activity implements View.OnClickListener { 
public class PageOne extends Activity { 

Button button; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_page_one); 
    setContentView(new myView(this)); 
    //addListenerOnButton(); 

} 

@Override 
public boolean onCreateOptionsMenu(Menu menu) { 
    // Inflate the menu; this adds items to the action bar if it is present. 
    getMenuInflater().inflate(R.menu.page_one, menu); 
    return true; 
} 

private class myView extends View { 

    public myView (Context context) { 
     super (context); 
     //setContentView(R.layout.activity_page_one); 

     addListenerOnButton(); 
     //button.bringToFront(); 
    } 

    @Override 
    protected void onDraw (Canvas canvas) { 

     this.setBackgroundResource(R.drawable.scr0); 
     button.bringToFront(); 

    } 

}// myView 

public void addListenerOnButton() { 
    final Context context = this; 
    button = (Button) findViewById(R.id.button1); 
    //button.setBackgroundColor(Color.TRANSPARENT); 
    button.bringToFront(); 
    button.setOnClickListener(new OnClickListener() { 
     @Override 
     public void onClick(View arg0) { 
      Intent intent = new Intent(context, PageTwo.class); 
         startActivity(intent); 
     } 
    }); 

}// addListenerOnButton() 


}// PageOne 


<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:tools="http://schemas.android.com/tools" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
android:paddingBottom="@dimen/activity_vertical_margin" 
android:paddingLeft="@dimen/activity_horizontal_margin" 
android:paddingRight="@dimen/activity_horizontal_margin" 
android:paddingTop="@dimen/activity_vertical_margin" 
tools:context=".PageOne" > 

<Button 
    android:id="@+id/button1" 
    android:layout_width="150dp" 
    android:layout_height="150dp" 
    android:layout_alignParentBottom="true" 
    android:layout_centerHorizontal="true" 
    android:layout_marginBottom="42dp" 
    android:text="bubkiss" /> 

</RelativeLayout> 

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

<uses-sdk 
    android:minSdkVersion="8" 
    android:targetSdkVersion="17" /> 

<application 
    android:allowBackup="true" 
    android:icon="@drawable/ic_launcher" 
    android:label="@string/app_name" 
    android:theme="@style/AppTheme" > 
    <activity 
     android:name="com.example.yetanotherpageturner.PageOne" 
     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="com.example.yetanotherpageturner.PageTwo" 
     android:label="@string/app_name" 
    </activity> 
</application> 

</manifest> 

Answer 1

試試這個：button.setOnClickListener(new View().OnClickListener()); 並請投票，如果它幫助。