m-asadullah

public class CustomSearchViewActivity extends AppCompatActivity {   
  
    LinearLayout linearLayoutSearch;
    EditText editTextSearch;
    ImageButton imageButtonClearSearch;
    ImageButton imageButtonVoiceSearch;
  
  @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

m-asadullah

android:foreground="?android:attr/selectableItemBackground"
android:clickable="true"

or 

android:foreground="?attr/selectableItemBackgroundBorderless"

m-asadullah

String dstPath = Environment.getExternalStorageDirectory() + File.separator + "myApp" + File.separator;
File dst = new File(dstPath);

exportFile(pictureFile, dst);
}

private File exportFile(File src, File dst) throws IOException {

    //if folder does not exist
    if (!dst.exists()) {

m-asadullah

recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {

    @Override
    public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
        if (dy > 0 || dy < 0 && fab.isShown())
            fab.hide();
    }

    @Override
    public void onScrollStateChanged(RecyclerView recyclerView, int newState) {

m-asadullah

 /**
     * Get the total disk space available on this Android Device
     *
     * @return total size (in bytes) that is the total disk space available on the device.
     */
    public static long getTotalDiskSpace() {
        StatFs statFs = new StatFs(Environment.getRootDirectory().getAbsolutePath());
        return statFs.getBlockCountLong() * statFs.getBlockSizeLong();
    }