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public class Network {
  
	public static DhcpInfo getNetworkInfo(Context context) {
		ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
		android.net.NetworkInfo activeNetworkInfo = cm.getActiveNetworkInfo();
		switch (activeNetworkInfo.getType()) {
			case ConnectivityManager.TYPE_ETHERNET:
				return null;
			case ConnectivityManager.TYPE_WIFI:

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<?xml version="1.0" encoding="utf-8"?>
<resources>

    <!-- Material Design Colors -->

    <color name="md_red_50">#ffffebee</color>
    <color name="md_red_100">#ffffcdd2</color>
    <color name="md_red_200">#ffef9a9a</color>
    <color name="md_red_300">#ffe57373</color>
    <color name="md_red_400">#ffef5350</color>

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//get phone number
TelephonyManager tm = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);  
String imei = tm.getDeviceId();  
String tel = tm.getLine1Number();

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Some useful libraries, samples, tools

Forked from: Cesar Díez (https://github.com/cesards)

* In titles means it has been categorized more than once (in different categories)

LIBRARIES

---

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  private void launchGoogleMaps(String name, String vicinity) {
		Intent intent = new Intent(android.content.Intent.ACTION_VIEW, 
			Uri.parse("http://maps.google.com/maps?q="+name+","+vicinity));
			intent.setClassName("com.google.android.apps.maps", "com.google.android.maps.MapsActivity"); // this is the magic
			startActivity(intent);
	}

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Event Bus

Using an EventBus in Android Pt 1: Why?

(EventBus) - Android optimized event bus that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

An EventBus is a great tool for decoupling components in your application. Over the next few posts I will describe the ways that I have been using it to make my code cleaner, easier to read, and easier to test. But first, this week I want to discuss why I use an EventBus in the first place. In particular, I will compare its use to some alternative techniques.

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Android REST Controller with Cache-Control

Android REST Controller with Simple Cache Control Headers using Retrofit 1.9.0 + OkHttp 2.2.0

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OkHttpClient client = new OkHttpClient();
Proxy proxy = new Proxy(Proxy.Type.HTTP, InetSocketAddress.createUnresolved("192.168.1.105", 8081);
client.setProxy(proxy);

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        OkHttpClient okHttpClient = new OkHttpClient();
        okHttpClient.interceptors().add(mRefreshAndRetryInterceptor);

        mRestAdapter = new RestAdapter.Builder()
            ...
            .setClient(new OkClient(okHttpClient))
            .build();

        private final Interceptor mRefreshAndRetryInterceptor = new Interceptor() {

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import android.databinding.BaseObservable;
import android.databinding.BindingAdapter;
import android.databinding.BindingConversion;
import android.text.Editable;
import android.text.TextWatcher;
import android.widget.EditText;


import java.io.Serializable;