android-event

i=0; public boolean onKeyDown(int keyCode, KeyEvent event) { System.out.println("In Key Down Method." + event.getKeyCode()); if (event.getKeyCode() == KeyEvent.KEYCODE_POWER) { i++; System.out.println("Power button pressed."); if (i == 2) { System.out.println("Power button pressed continuoulsy 3 times."); Toast.makeText(MainActivity.this, "Power button pressed " + i + " times.", Toast.LENGTH_SHORT).show(); } else { System.out.println("Power button pressed continuoulsy " + i + " times."); Toast.makeText(MainActivity.this, "Power button pressed " + i + " times.", Toast.LENGTH_SHORT).show(); } }

I have a SlidingUpPanelLayout that holds a image as a top view, and a view pager that needs to slide. The viewpager has 3 fragments and two of them are list views. So I want to be able to expand the view pager on pulling up, and once the view pager is up I want to be able to scroll the scrollviews inside the fragments. But when pulling down on the scrollview in case there is no more to scroll, I want to start collapsing the viewpager . So please suggest how to make the SlidingUpPanelLayout collapse on pulling the scrollview in case there is no more contents to scroll? Here I post some of my

I have a RadioGroup rg1 and I want to get the value of the selected radio button. I know that I can get the id of the selected radio button by using: if(rg1.getCheckedRadioButtonId()!=-1) int id= rg1.getCheckedRadioButtonId() that gives me the id , but I want the value of that button. You need to get the radio button at that index, then get the value of the text of that button. Try this code below. if(rg1.getCheckedRadioButtonId()!=-1){ int id= rg1.getCheckedRadioButtonId(); View radioButton = rg1.findViewById(id); int radioId = radioGroup.indexOfChild(radioButton); RadioButton btn =

In my application, I need to handle both move and click events. A click is a sequence of one ACTION_DOWN action, several ACTION_MOVE actions and one ACTION_UP action. In theory, if you get an ACTION_DOWN event and then an ACTION_UP event - it means that the user has just clicked your View. But in practice, this sequence doesn't work on some devices. On my Samsung Galaxy Gio I get such sequences when just clicking my View: ACTION_DOWN, several times ACTION_MOVE, then ACTION_UP. I.e. I get some unexpectable OnTouchEvent firings with ACTION_MOVE action code. I never (or almost never) get sequence