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Draw Rect Android basic example



drawRect(), Paint, setStroke(), setStyle(), Canvas example source code.

	@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) {

			canvas.drawColor(Color.CYAN);
			Paint p = new Paint();
			// smooths
			p.setAntiAlias(true);
			p.setColor(Color.RED);
			p.setStyle(Paint.Style.STROKE); 
			p.setStrokeWidth(4.5f);
			// opacity
			//p.setAlpha(0x80); //
//drawRect (float left, float top, float right, float bottom, Paint paint) 
			canvas.drawRect(10, 10, 30, 30, p);
		}

	}
}

397LW NO topic_id



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Spam v komentářích je nepříjemný a zatěžuje server. Jednou z metod, jak jej omezit je povolit přidávat komentáře jen registrovaným členům. Toho ve Wordpress dosáhneme v administraci z menu Settings - Discussion kde zaškrtneme políčko Users must be registered and logged in to comment a nastaveni uložíme.
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Adding TableRow add row with a View TextView dynamically to TableLayout Android sample example | adding-tablerow-add-row-with-a-view-textview-dynamically-to-tablelayout-android-sample-example


Adding TableRow with a View TextView (EditText Button) programmically dynamically to TableLayout Android sample basic example.
MainClass.java

public class MainClass extends Activity {
   
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        TableLayout tl = (TableLayout)findViewById(R.id.tableLayout1);
        TableRow row = new TableRow(this);
        TextView tv = new TextView(this);
        tv.setText("This is text");

        tl.addView(row);
        row.addView(tv);

    }
}



main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TableLayout android:layout_width="fill_parent" 
    android:id="@+id/tableLayout1" android:layout_height="wrap_content">
</TableLayout>
</LinearLayout>

335

SimpleCursorAdapter deprecated | simplecursoradapter-deprecated


Constructor SimpleCursorAdapter is deprecated.
If using api 11 and above, you can try add last parameter 0.


Cursor cursor = managedQuery(...........,,,,);
// Specify the columns we want to display in the result
            String[] from = new String[] { KEY_WORD,
                                           KEY_DEFINITION };

            // Specify the corresponding layout elements where we want the columns to go
            int[] to = new int[] { R.id.word,
                                   R.id.definition };
// deprecated 
 SimpleCursorAdapter words =
            new SimpleCursorAdapter(this,
                    R.layout.result, cursor, from, to);
// working
 SimpleCursorAdapter words =
            new SimpleCursorAdapter(this,
                    R.layout.result, cursor, from, to, 0); // to, 0!!!!


//working in Fragment
SimpleCursorAdapter  mAdapter = new SimpleCursorAdapter(getActivity(),
                android.R.layout.simple_list_item_2, null,
                new String[] { "name", "age" }, // cursor parameters
                new int[] { android.R.id.text1, android.R.id.text2 }, 0);


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Where Eclipse stored Settings and Templates Java Code | where-eclipse-stored-templates-java-code



C:\documents\workspace\.metadata\.plugins\org.eclipse.core.runtime\.settings\org.eclipse.jdt.ui.prefs


Editace Jana Žákovská : 2013-12-09 13:11:19
Počet článků v kategorii: 397
Url:draw-rect-android-basic-example
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