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

Android Recyclerview GridLayoutManager column spacing Here is the question, the first answer does not work well in my project,and it makes the spacing bigger between item and item. the second answer is quite perfect.But if RecyclerView has headers,it does not work well. Then I fixed it.

import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.view.View;

/**

piyush-malaviya

import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.view.View;

public class GridSpacingItemDecoration extends RecyclerView.ItemDecoration {

    private int spanCount;
    private int spacing;
    private boolean includeEdge;

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

apply plugin: 'com.android.library'
apply plugin: 'checkstyle'
apply plugin: 'maven-publish'

android {
    publishNonDefault true

    compileSdkVersion 25
    buildToolsVersion "25.0.3"

piyush-malaviya

import java.util.HashMap;
import java.util.Observer;

public final class NotificationCenter {

    private static NotificationCenter instance;
    private final HashMap<String, NotificationObservable> observables;

    private NotificationCenter() {
        observables = new HashMap<>();

piyush-malaviya

import android.os.Parcel;
import android.os.Parcelable;

public class ParcelableUtil {
    public static byte[] marshall(Parcelable parceable) {
        Parcel parcel = Parcel.obtain();
        parceable.writeToParcel(parcel, 0);
        byte[] bytes = parcel.marshall();
        parcel.recycle();
        return bytes;

piyush-malaviya

import android.app.Activity;
import android.app.ActivityManager;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Build;
import android.provider.ContactsContract;
import android.provider.Settings;
import android.support.v4.app.Fragment;

piyush-malaviya

import android.text.TextUtils;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.regex.Pattern;

public class StringUtils {

    private final static char[] hexArray = "0123456789ABCDEF".toCharArray();

piyush-malaviya

import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.TextView;


public class ToolbarUtils {