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getSupportActionBar from inside of Fragment ActionBarCompat
...ctivityDelegate.createDelegate() creates the mImpl object depending on the Android version.
super.onCreate() is FragmentActivity.onCreate(), which restores any previous fragments after a rotation (FragmentManagerImpl.dispatchCreate(), &c).
mImpl.onCreate(savedInstanceState) is ActionBarActivityD...
Android phone orientation overview including compass
I've been trying to get my head around the Android orientation sensors for a while.
I thought I understood it. Then I realised I didn't. Now I think (hope) I have a better feeling for it again but I am still not 100%. I will try and explain my patchy understanding of it and hopefully people will be ...
Android Paint: .measureText() vs .getTextBounds()
...
You can do what I did to inspect such problem:
Study Android source code, Paint.java source, see both measureText and getTextBounds methods.
You'd learn that measureText calls native_measureText, and getTextBounds calls nativeGetStringBounds, which are native methods implemente...
Android: When should I use a Handler() and when should I use a Thread?
...eed
to synchronize with the user interface thread.
You can use the android.os.Handler class or the AsyncTasks class for
this.
The Handler class can update the user interface. A Handler provides
methods for receiving instances of the Message or Runnable class.
You thread can p...
Open application after clicking on Notification
... after clicking on Notification, it will solve your problem.
public class AndroidNotifications extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button notificationButton...
How to check if activity is in foreground or in visible background?
... static boolean activityVisible;
}
Register your application class in AndroidManifest.xml:
<application
android:name="your.app.package.MyApplication"
android:icon="@drawable/icon"
android:label="@string/app_name" >
Add onPause and onResume to every Activity in the proje...
Good way of getting the user's location in Android
...ACCURACY_HIGH);
myCriteria.setPowerRequirement(Criteria.POWER_LOW);
// let Android select the right location provider for you
String myProvider = locationManager.getBestProvider(myCriteria, true);
// finally require updates at -at least- the desired rate
long minTimeMillis = 600000; // 600,000 mil...
android EditText - finished typing event
...
Remember, you also have to have android:singleLine="true" set for your edit text. Thanks to stackoverflow.com/questions/15901863/…
– steven smith
Mar 15 '15 at 17:58
...
Causes of getting a java.lang.VerifyError
...
This was my problem for android tests, multidexing it fixed it.
– Prakash Nadar
Dec 13 '18 at 6:23
...
Clicking URLs opens default browser
...you'll have to intercept the clicks yourself if you don't want the default Android behaviour.
You can monitor events in a WebView using a WebViewClient. The method you want is shouldOverrideUrlLoading(). This allows you to perform your own action when a particular URL is selected.
You set the We...