dp-singh

String java8 = getJavaVersion(8)
String java7 = getJavaVersion(7)

retrolambda {
    jdk java8
    oldJdk java7
    javaVersion JavaVersion.VERSION_1_7
//    jvmArgs '-arg1', '-arg2' < if I don't comment this line gradle fails
    defaultMethods false
    incremental true

dp-singh

public abstract class HeaderFooterRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

    private static final int VIEW_TYPE_MAX_COUNT = 1000;
    private static final int HEADER_VIEW_TYPE_OFFSET = 0;
    private static final int FOOTER_VIEW_TYPE_OFFSET = HEADER_VIEW_TYPE_OFFSET + VIEW_TYPE_MAX_COUNT;
    private static final int CONTENT_VIEW_TYPE_OFFSET = FOOTER_VIEW_TYPE_OFFSET + VIEW_TYPE_MAX_COUNT;

    private int headerItemCount;
    private int contentItemCount;
    private int footerItemCount;

dp-singh

<?xml version="1.0" encoding="utf-8"?>
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/map"
    android:name="com.google.android.gms.maps.SupportMapFragment"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

dp-singh

public class BatteryActivity extends Activity {

    //UI Elements                
    private TextView mTextViewLevel;
    private TextView mTextViewTemperature;
    private TextView mTextViewVoltage;
    private TextView mTextViewHealth;
    
    //Battery details
    private int level;

dp-singh

//Sticky Service
public class StickyService extends Service
{
    private static final String TAG = "StickyService";


    @Override
    public IBinder onBind(Intent arg0) {
        // TODO Auto-generated method stub
        return null;

dp-singh

try{
     shareIntent.setAction(Intent.ACTION_SEND);
    //Target whatsapp:
    shareIntent.setPackage("com.whatsapp");
    //Add text and then Image URI
    shareIntent.putExtra(Intent.EXTRA_TEXT, picture_text);
    shareIntent.putExtra(Intent.EXTRA_STREAM, imageUri);
    shareIntent.setType("image/jpeg");
    shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
    startActivity(shareIntent);

dp-singh

/**
 * A collection of authentication and account connection utilities. With strong inspiration from the Google IO session
 * app.
 * @author Dandré Allison
 */
public class AccountUtils {  

    /**
     * Interface for interacting with the result of {@link AccountUtils#getUserProfile}.
     */

dp-singh

public class AnimatedActivity extends Activity
{
  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    //opening transition animations
    overridePendingTransition(R.anim.activity_open_translate,R.anim.activity_close_scale);
  }

dp-singh

// Slide up animation

<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" >

    <translate
        android:duration="@android:integer/config_mediumAnimTime"
        android:fromYDelta="100%"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:toXDelta="0" />

dp-singh

Transformation blurTransformation = new Transformation() {
    @Override
    public Bitmap transform(Bitmap source) {
        Bitmap blurred = Blur.fastblur(LiveImageView.this.context, source, 10);
        source.recycle();
        return blurred;
    }
 
    @Override
    public String key() {