Custom View Android Basic Example

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Activity.java


public class A extends Activity{
	Bitmap bm;
	 TouchImageView touch;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		 setContentView(R.layout.main);
		 
		 bm = BitmapFactory.decodeResource(getResources(), R.drawable.chinese_sky_map);
 		 touch =  (TouchImageView)findViewById(R.id.myImageView);
	  touch.setImageBitmap(bm);
		 
	}
}

\res\layout\main.xml


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >


    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

    <cz.okhelp.TouchImageView.TouchImageView
        android:id="@+id/myImageView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        
        />

</LinearLayout>

location TouchImageView\src\cz\okhelp\TouchImageView\TouchImageView.java


public class TouchImageView extends ImageView {


    Context context;

// constructor wihtout using  *.xml file
//    public TouchImageView(Context context) {
//        super(context);
// }

// constructor with xml file
    public TouchImageView(Context context, AttributeSet attrs)
    {
      super(context, attrs);
      super.setClickable(true);
        this.context = context;
  }
}

397LW NO topic_id

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Restart Eclipse

Clean project and rebuild

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Close Eclipse, backup folder c:\Users\myName\workspace\.metadata and delete it. Restart Eclipse try again import project to workspace

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Create file restartADB.bat in folder
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Write into restartADB.bat this code:


adb kill-server && adb start-server
pause

Save restartADB.bat file.
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Next example:

Open Total Commander

Open folder with adb.exe usually in
c:\Program Files\Android\android-sdk-windows\platform-tools\

Put into command line command: adb kill-server && adb start-server and press Enter

[caption id="attachment_778" align="alignleft" width="300" caption="ADB server restart by command line"]

[/caption]

Try restart ADB if this or similar errors:
Emulator] emulator: emulator window was out of view and was recentred

Editace: 2012-02-14 21:11:33
Počet článků v kategorii: 397
Url:custom-view-android-basic-example

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