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Create monochromatic bitmap Android example


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public class MainActivity extends Activity {
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(new SampleView(this));
	}

	private static class SampleView extends View {

		// CONSTRUCTOR
		public SampleView(Context context) {
			super(context);
			setFocusable(true);

		}
		@Override
		protected void onDraw(Canvas canvas) {
			Paint paint = new Paint();
			
			canvas.drawColor(Color.GREEN);
            
            Bitmap b = Bitmap.createBitmap(200, 200, Bitmap.Config.ALPHA_8);
             paint.setColor(Color.BLUE);
            
           Canvas c = new Canvas(b);
           c.drawRect(0, 0, 200, 200, paint);
           
           canvas.drawBitmap(b, 10,10, paint);
		}

	}
}



monochromatic bitmap

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ListView add item click item basic Android example code | listview-add-item-click-item-basic-android-example-code


Definition of ListView in layout main.xml file Android example



<ListView android:id="@+id/idListView"
        android:background="#7700CC00"
        android:layout_height="wrap_content"
        android:layout_width="fill_parent" /> 



Code in Main.java ListView example source code Java Android

public class Main extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        ListView mlistView = (ListView) findViewById(R.id.idListView);
        mlistView.setAdapter(new ArrayAdapter<String>(this,
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154

Create own custom Title Bar TitleBar with a Icon Android example | create-own-custom-title-titlebar-android-example


onCreate in MainActivity.java

    @Override
	protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

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        getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
}


You can add to titlebar different Views by xml file.
custom_title.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="//schemas.android.com/apk/res/android" android:id="@+id/screen"
    android:layout_width="fill_parent" android:layout_height="fill_parent"
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        android:id="@+id/imageView1"
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        android:layout_height="wrap_content"
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</RelativeLayout>





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How are you old - date calendar age Java Android example | how-are-you-old-date-calendar-age-java-android-example


Calendar dateOfYourBirth = new GregorianCalendar(1998, Calendar.SEPTEMBER, 17); Calendar today = Calendar.getInstance(); Android example.


public class HoriziontalScrollActivity extends Activity {
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    @Override
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320

layout id cannot be resolved or is not a field | layout-id-cannot-be-resolved-or-is-not-a-field


1.) check your xml files in res/layout folder if contain errors or warnings, repair this
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// import com.mysite.packagename.R;
3.) every clean and rebuild project


Editace: 2013-12-09 13:10:11
Počet článků v kategorii: 397
Url:create-monochromatic-bitmap-android-example

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