android-widget

I am having a hard time to change the text size of a switch compact thumb. Here's my layout: <android.support.v7.widget.SwitchCompat android:id="@+id/switch_compat2" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="20dp" android:checked="true" android:switchTextAppearance="@style/MyStyle" android:text="SwitchCompat (SDK v7+)" app:showText="true" /> and the style: <style name="MyStyle"> <item name="android:textColor">#229922</item> <item name="android:textSize">10sp</item> </style> yet, no matter what I do on "MyStyle", the switch always look like

When defining a global android.widget variable, e.g. TextView , is it preferable to use lateinit or by lazy ? I initially thought using by lazy would be preferred as its immutable but I'm not entirely sure. by lazy example: class MainActivity: AppCompatActivity() { val helloWorldTextView by lazy { findViewById(R.id.helloWorldTextView) as TextView } override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) updateTextView(helloWorldTextView) } fun updateTextView(tv: TextView?) { tv?.setText("Hello?") } } lateinit example: class

I want to know, How to write Multiline Text on Button <Button android:id="@+id/button1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="100dp" android:background="@drawable/layout_border" android:text="Hours Mon - sat 5pm" /> I am getting like this:- but required this kind of button:- Edited::-- Now i got something like this, by using answer given by, @Sino K D : but still looking for help, After adding drawable to left side, getting this:- Sino K D Use (new line)

in my application , i have a gallery of pictures, but i want to detect the position of the current image displayed , For example : when i launch my acvitivity, the position is 0, but when i scroll in my gallery,i want to get The position of the Current image displayed , i have tried OnFocusChanged , OnItemClicked , but that works only if i click on an item of my gallery Any ideas ! :( gal.setOnItemSelectedListener(new OnItemSelectedListener(){ @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { //Do something with position } }; You get this callback

I am starting with Android programming with the help of Unlocking Android / Manning which came from Santa and is a pretty good book. After running a few little tests and examples, I'm moving towards developing the concepts for my own application. I want my App to execute as a Home Widget and I'm using this example as my model to get started. While I am able to load and run in the Android ADB emulator the code example in the example's Wiktionoary which is a normal Android App. I am not able to run, but only load into the emulator the Widget version of that code named SimpleWiktionary. Am I am