Thursday, 29 March 2012

Emulator  Keyboard Commands

Table 1 summarizes the mappings between the emulator keys and the keys of your keyboard.
Table 1. Emulator keyboard mapping
Emulated Device Key Keyboard Key
Menu (left softkey) F2 or Page-up button
Star (right softkey) Shift-F2 or Page Down
Back ESC
Call/dial button F3
Hangup/end call button F4
Search F5
Power button F7
Audio volume up button KEYPAD_PLUS, Ctrl-F5
Audio volume down button KEYPAD_MINUS, Ctrl-F6
Camera button Ctrl-KEYPAD_5, Ctrl-F3
Switch to previous layout orientation (for example, portrait, landscape) KEYPAD_7, Ctrl-F11
Switch to next layout orientation (for example, portrait, landscape) KEYPAD_9, Ctrl-F12
Toggle cell networking on/off F8
Toggle code profiling F9 (only with -trace startup option)
Toggle fullscreen mode Alt-Enter
Toggle trackball mode F6
Enter trackball mode temporarily (while key is pressed) Delete
DPad left/up/right/down KEYPAD_4/8/6/2
DPad center click KEYPAD_5
Onion alpha increase/decrease KEYPAD_MULTIPLY(*) / KEYPAD_DIVIDE(/)

Tuesday, 27 March 2012

Rotate bitmap Image in android

rotate.setOnClickListener(new OnClickListener() {

            public void onClick(View v) {
                // TODO Auto-generated method stub
                if (i >= 360) {
                    i = 0;
                i = i + 90;

                Matrix mat = new Matrix();
                mat.preRotate(i);// /in degree

                // Bitmap
                mBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(),
                        bitmap.getHeight(), mat, true);