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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(/)

Toggle Button is a special button that has two states  for eg :"on" and "off".It can be an alternative to Radio Buttons. Method to create a Custom Toggle Button is given below : in custom_btn.xml in style.xml : in custom_toggle_bg.xml : in custom_toggle_btn.xml :                                              

Toggle Button is a special button that has two states  for eg :"on" and "off".It can be an alternative to Radio Buttons. Below are some methods mentioned in this example : setOnClickListener – Used to register a callback whenever view is clicked setChecked() – used to mark toggle button as checked/unchecked setTextOn() – used to display text on toggle button whenever it is CHECKED setTextOff() – used to display text on toggle button whenever it is UnCHECKED. public class MainActivity extends Activity { ToggleButton toggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); toggle = (ToggleButton) findViewById(R.id.togglebut); // you can set text accordingly when checked or not toggle.setTextOn("Toggle is Checked"); toggle.setTextOff("Toggle is not Checked"); // you can set if toggle to be checked or not toggle.setChecked(true); t...