mistrydarshan99

package com.utils;

import android.content.Context;
import android.text.TextUtils;
import android.util.Patterns;
import android.widget.EditText;

/**
 * Created by darshan on 2/4/15.
 */

mistrydarshan99

// GSON can parse the data.
//
// Deserialization:
// Note there is a bug in GSON 2.3.1 that can cause it to StackOverflow when working with RealmObjects.
// To work around this, use the ExclusionStrategy below or downgrade to 1.7.1
// See more here: https://code.google.com/p/google-gson/issues/detail?id=440
//
// Serialization:
// <Type>RealmProxy objects are created by the Realm annotation processor. They are used to control
// access to the actual data instead of storing them in fields and it is therefore them we need to register a

mistrydarshan99

package xx.xxx.xx.view;

import android.content.Context;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.widget.GridView;

/**
 * ScrollViewの中のGridViewでも高さを可変にする<br>
 * http://stackoverflow.com/questions/8481844/gridview-height-gets-cut

mistrydarshan99

package com.inperson.android.utils.leastview;

import android.content.Context;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;

public class WrappableGridLayoutManager extends GridLayoutManager {

mistrydarshan99

// The flow starts in onReadClick

import android.app.LoaderManager;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.provider.ContactsContract;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.util.Log;

mistrydarshan99

Another series: DevBytes: Efficient Data Transfers

Network Performance 101

• Reduce time between when user wants and gets data.
• Reduce radio active time and fetch less data.
• Never poll! GCM/signaling is better. Reduce frequency. Batch + prefetch.
• Should use binary format instead of JSON, etc.

Battery Drain and Networking

mistrydarshan99

package com.example.testSingleton;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Toast;

public class ActivityA extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {

mistrydarshan99

 
public class SomeFragment extends Fragment {
 
	MapView mapView;
	GoogleMap map;
 
	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
		View v = inflater.inflate(R.layout.some_layout, container, false);
 

mistrydarshan99

• In general you want to try and put things in onStart and onStop for logical start and stops.

Activity

onCreate

• Dagger inject self into graph
• setContentView(R.layout.xxx)
• Butterknife.bind(this)
• RxJava CompositeSubscription.add (if NON UI related work being done)

onStart

mistrydarshan99

import android.app.Activity;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.content.LocalBroadcastManager;