WrathChaos

@OnCreate
{
  // FullScreen
  getWindow().setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, 
  WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
}

// XML : 

WrathChaos

<activity
 android:name=".MainActivity"
 android:label="@string/app_name"
 android:configChanges="orientation"
 android:screenOrientation="portrait"
>

WrathChaos

// Circle ImageView Function (Could be custom rounded)
public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap
            .getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

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// string.xml PART
<string name="name0">Kuray OGUN</string>
<string name="nickname">FreakyCoder</string>

// In JAVA, getting the strings from string.xml
String name = getResources().getString(R.string.name0);
String nickname = getResources().getString(R.string.nickname);

WrathChaos

// Prevent to auto popping keyboard
this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);

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// How to close scrollMode in RecyclerView
<android.support.v7.widget.RecyclerView
   android:id="@+id/ssm_recyclerView"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:overScrollMode="never" 
/>

WrathChaos

 //Here's a runnable/handler combo
                Runnable mMyRunnable = new Runnable()
                {
                    @Override
                    public void run()
                    {
                        //Your function or code segment will be here !
                    }
                };

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    //Initializing Country List
    final List<Country> countryList=new ArrayList<>();

    public void fillCountryList(){
        String[] countries = Locale.getISOCountries();

        int j = 0;
        // Loop each country
        for(int i = 0; i < countries.length; i++) {

WrathChaos

  listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

                TextView tv = (TextView) view.findViewById(R.id.country_name);
                String country = tv.getText().toString();

            }
        }

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public class ColorfulSnackbar {
    
    private static final int red = Color.parseColor("#f41515");
    private static final int green = 0xff4caf50;
    private static final int blue = 0xff2195f3;
    private static final int orange = 0xffffc107;
    private static final int myBlue = Color.parseColor("#002487");

    private static View getSnackBarLayout(Snackbar snackbar) {