Which method should be used to refresh the ActionBar if you use ActionBarCompat library?

Which theme's attribute changes the color of the status bar in Lollipop?

Default behavior of an Activity when you manually rotate the device screen?

What should you do if you want access list of paired Bluetooth devices on Android?

Which is a benefit of deodexing?

When an asynchronous task is executed, the task goes through several steps. Which option is not a step of an asynchronous task?

what is the purpose of generating R.java as follows?

What's the output? public int pxToDp(int px) { DisplayMetrics displayMetrics = getContext().getResources().getDisplayMetrics(); int dp = Math.round(px / (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT)); return dp; } public int dpToPx(int dp) { DisplayMetrics displayMetrics = getContext().getResources().getDisplayMetrics(); int px = Math.round(dp * (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT)); return px; }

What's the output? Values/google_maps_api.xml google_maps_key (key from https://console.developers.google.com/) AndroidManifest.xml Build.gradle(Module: app) Dependencies{ … Compile ‘com.google.android.gms:play-services:8.4.0’ }

What's the output? Calendar cal = Calendar.getInstance(); DateFormat dateFormat = new SimpleDateFormat('yyyy-MM-dd'); cal.add(Calendar.DATE, -1); return dateFormat.format(cal.getTime());

An Intent object is a bundle of information and what are the object contains?