Printminion's Weblog

February 28, 2010

[SOLVED] Android: Dynamically change Options Menu Items

import android.app.Activity;

02 import android.os.Bundle;

03 import android.view.Menu;

04 import android.view.View;

05 import android.view.View.OnClickListener;

06 import android.widget.Button;

07

08 /**

09 * Class which shows how to change dynamically options menu items

10 * @author FaYnaSoft Labs

11 */

12 public class Main extends Activity {

13

14 private Button clickBtn;

15 private boolean isChangedStat = false;

16 private static final int MENUITEM = Menu.FIRST;

17

18 @Override

19 public void onCreate(Bundle savedInstanceState) {

20 super.onCreate(savedInstanceState);

21 setContentView(R.layout.main);

22 clickBtn = (Button) findViewById(R.id.click);

23 clickBtn.setText("Click me");

24 clickBtn.setOnClickListener(new OnClickListener() {

25

26 @Override

27 public void onClick(View v) {

28 if (isChangedStat) {

29 isChangedStat = false;

30 } else {

31 isChangedStat = true;

32 }

33 }

34 });

35 }

36

37 @Override

38 public boolean onPrepareOptionsMenu(Menu menu) {

39 menu.clear();

40 if (isChangedStat) {

41 menu.add(0, MENUITEM, 0, "True");

42 } else {

43 menu.add(0, MENUITEM, 0, "False");

44 }

45 return super.onPrepareOptionsMenu(menu);

46 }

47 }

Dynamically change Options Menu Items in Android The Developers Info.

February 25, 2010

[SOLVED]Android: Column span in TableLayout

<!-- snipped -->
<TableLayout android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:stretchColumns="*">
    <TableRow>
        <TextView android:id="@+id/info"
            android:layout_span="3"
	    android:text="@string/info"
	    android:layout_gravity="center_horizontal" />
	</TableRow>
    <TableRow>
	    <Button android:id="@+id/button_add" android:text="+" />
	    <TextView android:text="@string/label" />
	    <TextView android:id="@+id/amount" />
    </TableRow>
<!-- snipped -->
</TableLayout>
<!-- snipped -->

TableLayout supports column span on Android Development.

February 21, 2010

[SOLVED] Android: Hide the Title bar in an Android View

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

    requestWindowFeature(Window.FEATURE_NO_TITLE);
    ...

Hide the Title bar in an Android View by using the Window Class | mgmblog.com.

February 20, 2010

[SOLVED] Android: Save Image to Media Provider on Android

Uri saveMediaEntry(String imagePath,String title,String description,long dateTaken,int orientation,Location loc) {

ContentValues v = new ContentValues();

v.put(Images.Media.TITLE, title);

v.put(Images.Media.DISPLAY_NAME, displayName);

v.put(Images.Media.DESCRIPTION, description);

v.put(Images.Media.DATE_ADDED, dateTaken);

v.put(Images.Media.DATE_TAKEN, dateTaken);

v.put(Images.Media.DATE_MODIFIED, dateTaken) ;

v.put(Images.Media.MIME_TYPE, "image/jpeg");

v.put(Images.Media.ORIENTATION, orientation);

File f = new File(imagePath) ;

File parent = f.getParentFile() ;

String path = parent.toString().toLowerCase() ;

String name = parent.getName().toLowerCase() ;

v.put(Images.ImageColumns.BUCKET_ID, path.hashCode());

v.put(Images.ImageColumns.BUCKET_DISPLAY_NAME, name);

v.put(Images.Media.SIZE,f.length()) ;

f = null ;

if( targ_loc != null ) {

v.put(Images.Media.LATITUDE, loc.getLatitude());

v.put(Images.Media.LONGITUDE, loc.getLongitude());

}

v.put("_data",imagePath) ;

ContentResolver c = getContentResolver() ;

return c.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, v);

}

Save Image to Media Provider on Android - Java - Snipplr.