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
Home HOME
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() {

            @Override
            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);
                mImageView.setImageBitmap(mBitmap);
            }
        });