piyush-malaviya

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.os.Handler;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.support.v4.app.NotificationCompat;
import android.support.v4.app.NotificationManagerCompat;
import android.text.TextUtils;

piyush-malaviya

import android.app.Activity;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.content.ContextCompat;

piyush-malaviya

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.IntentSender;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;

piyush-malaviya

Stackoverflow Link: https://stackoverflow.com/a/19968400

Handle uncaughtException, start activity:

public class MyApplication extends Application
{
  public void onCreate ()
  {
    // Setup handler for uncaught exceptions.
    Thread.setDefaultUncaughtExceptionHandler (new Thread.UncaughtExceptionHandler()

piyush-malaviya

public class FusedLocationHelper implements GoogleApiClient.OnConnectionFailedListener, ResultCallback<Status> {

    private static final String TAG = FusedLocationHelper.class.getSimpleName();
    private Context context;
    private GoogleApiClient googleApiClient;
    private Location lastKnownLocation;
    private LocationUpdateListener locationUpdateListener;
    // location request parameter
    private long interval = 0;                  // time in millisecond
    private long fastestInterval = 0;           // time in millisecond

piyush-malaviya

import android.content.Context;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.util.Log;
import android.view.View;
import android.view.inputmethod.InputMethodManager;

import java.util.HashMap;

piyush-malaviya

import android.os.Handler;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.widget.Filter;
import android.widget.Filterable;

import java.util.ArrayList;

public abstract class BaseFilterAdapter<T, S extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<S> implements Filterable {

piyush-malaviya

import android.os.Handler;
import android.text.Editable;
import android.text.TextWatcher;

public abstract class DelayTextWatcher implements TextWatcher {

    private final long DELAY = 300; // milliseconds
    private Handler handler = new Handler();
    private Runnable runnable = new Runnable() {
        @Override

piyush-malaviya

public class ContactHelper {

    private static final String TAG = ContactHelper.class.getSimpleName();
    
    public static ModelContact getContactDetails(final Context context, String contactId) {

        ModelContact contact = new ModelContact();
        contact.setContactId(contactId);

        Cursor cursor = context.getContentResolver().query(ContactsContract.Data.CONTENT_URI,

piyush-malaviya

 int xPos = (canvas.getWidth() / 2);
 int yPos = (int) ((canvas.getHeight() / 2) - ((textPaint.descent() + textPaint.ascent()) / 2)) ; 
 //((textPaint.descent() + textPaint.ascent()) / 2) is the distance from the baseline to the center.

 canvas.drawText("Hello", xPos, yPos, textPaint);
 
 https://stackoverflow.com/a/38415380