* Drop support for Android versions < 4.0

* Convert all http client to use OkHttp
* Use Android number picker instead of third party lib

app/build.gradle

@@ -7,7 +7,7 @@ dependencies {
     compile 'org.apache.commons:commons-lang3:3.4'
     compile 'com.fasterxml.jackson.core:jackson-databind:2.6.1'
     compile 'org.springframework.android:spring-android-rest-template:1.0.1.RELEASE'
-    compile 'com.code-troopers.betterpickers:library:2.0.0'
+    compile 'com.squareup.okhttp:okhttp:2.5.0'
 
     compile 'com.android.support:appcompat-v7:22.2.1'
 
@@ -16,7 +16,7 @@ dependencies {
 }
 
 android {
-    compileSdkVersion 22
+    compileSdkVersion 23
     buildToolsVersion "22.0.1"
 
     compileOptions {
@@ -25,12 +25,11 @@ android {
     }
 
     defaultConfig {
-        versionName "2.2.4"
+        versionName "2.2.5"
-        versionCode 31
+        versionCode 32
 
-        // TODO(fuegofro) - bring this back down to 8 if it's easy by using a different number picker library
+        minSdkVersion 14
-        minSdkVersion 9
+        targetSdkVersion 23
-        targetSdkVersion 22
     }
 
     buildTypes {

app/src/main/java/com/dougkeen/bart/activities/TrainAlarmDialogFragment.java

@@ -13,8 +13,8 @@ import android.support.v4.app.FragmentActivity;
 import android.support.v7.app.AlertDialog;
 import android.view.LayoutInflater;
 import android.view.View;
+import android.widget.NumberPicker;
 
-import com.codetroopers.betterpickers.numberpicker.NumberPicker;
 import com.dougkeen.bart.BartRunnerApplication;
 import com.dougkeen.bart.R;
 import com.dougkeen.bart.model.Departure;
@@ -54,8 +54,8 @@ public class TrainAlarmDialogFragment extends DialogFragment {
         final Departure boardedDeparture = application.getBoardedDeparture();
         final int maxValue = boardedDeparture.getMeanSecondsLeft() / 60;
 
-        numberPicker.setMin(1);
+        numberPicker.setMinValue(1);
-        numberPicker.setMax(maxValue);
+        numberPicker.setMaxValue(maxValue);
 
         if (boardedDeparture.isAlarmPending()) {
             setNumber(numberPicker, boardedDeparture.getAlarmLeadTimeMinutes());
@@ -71,8 +71,7 @@ public class TrainAlarmDialogFragment extends DialogFragment {
     }
 
     private void setNumber(NumberPicker numberPicker, int value) {
-        // Passing in null for the decimalPart and sign doesn't change them.
+        numberPicker.setValue(value);
-        numberPicker.setNumber(value, null /* decimalPart */, null /* sign */);
     }
 
     @NonNull
@@ -95,7 +94,7 @@ public class TrainAlarmDialogFragment extends DialogFragment {
                                     int which) {
                                 NumberPicker numberPicker = (NumberPicker) getDialog()
                                         .findViewById(R.id.numberPicker);
-                                final int alarmLeadTime = numberPicker.getNumber();
+                                final int alarmLeadTime = numberPicker.getValue();
 
                                 // Save most recent selection
                                 Editor editor = getActivity().getPreferences(

app/src/main/java/com/dougkeen/bart/controls/SwipeHelper.java

@@ -19,10 +19,9 @@
 
 package com.dougkeen.bart.controls;
 
-import static com.nineoldandroids.view.ViewHelper.setAlpha;
+import android.animation.Animator;
-import static com.nineoldandroids.view.ViewHelper.setTranslationX;
+import android.animation.AnimatorListenerAdapter;
-import static com.nineoldandroids.view.ViewPropertyAnimator.animate;
+import android.animation.ValueAnimator;
-
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.VelocityTracker;
@@ -32,9 +31,6 @@ import android.view.ViewConfiguration;
 import android.view.ViewGroup;
 
 import com.dougkeen.bart.model.Constants;
-import com.nineoldandroids.animation.Animator;
-import com.nineoldandroids.animation.AnimatorListenerAdapter;
-import com.nineoldandroids.animation.ValueAnimator;
 
 /**
  * A utility class for animating the dismissal of a view (with 'onDismiss'
@@ -167,7 +163,7 @@ public class SwipeHelper implements View.OnTouchListener {
                     dismissWithAnimation(dismissRight);
                 } else {
                     // cancel
-                    animate(mView).translationX(0).alpha(1)
+                    mView.animate().translationX(0).alpha(1)
                             .setDuration(mAnimationTime).setListener(null);
                 }
                 mVelocityTracker = null;
@@ -198,10 +194,9 @@ public class SwipeHelper implements View.OnTouchListener {
 
                 if (mSwiping) {
                     mTranslationX = deltaX;
-                    setTranslationX(mView, deltaX);
+                    mView.setTranslationX(deltaX);
                     // TODO: use an ease-out interpolator or such
-                    setAlpha(
+                    mView.setAlpha(
-                            mView,
                             Math.max(
                                     0f,
                                     Math.min(1f, 1f - 2f * Math.abs(deltaX)
@@ -215,7 +210,7 @@ public class SwipeHelper implements View.OnTouchListener {
     }
 
     public void dismissWithAnimation(boolean dismissRight) {
-        animate(mView).translationX(dismissRight ? mViewWidth : -mViewWidth)
+        mView.animate().translationX(dismissRight ? mViewWidth : -mViewWidth)
                 .alpha(0).setDuration(mAnimationTime)
                 .setListener(new AnimatorListenerAdapter() {
                     @Override
@@ -250,7 +245,7 @@ public class SwipeHelper implements View.OnTouchListener {
                  */
                 // setAlpha(mView, 1f);
 
-                setTranslationX(mView, 0);
+                mView.setTranslationX(0);
                 lp.height = originalHeight;
                 mView.setLayoutParams(lp);
             }
@@ -273,12 +268,12 @@ public class SwipeHelper implements View.OnTouchListener {
         mView.measure(measureSpec, measureSpec);
         mViewWidth = mView.getMeasuredWidth();
         final int viewHeight = mView.getMeasuredHeight();
-        setAlpha(mView, 0f);
+        mView.setAlpha(0f);
 
         final ViewGroup.LayoutParams lp = mView.getLayoutParams();
         final int originalHeight = lp.height;
 
-        setTranslationX(mView, mViewWidth);
+        mView.setTranslationX(mViewWidth);
 
         // Grow space
         ValueAnimator animator = ValueAnimator.ofInt(1, viewHeight)
@@ -292,7 +287,7 @@ public class SwipeHelper implements View.OnTouchListener {
                 mView.setLayoutParams(lp);
 
                 // Swipe view into space that opened up
-                animate(mView).translationX(0).alpha(1)
+                mView.animate().translationX(0).alpha(1)
                         .setDuration(mAnimationTime)
                         // Dummy listener so the default doesn't run
                         .setListener(new AnimatorListenerAdapter() {

app/src/main/java/com/dougkeen/bart/networktasks/GetRealTimeDeparturesTask.java

@@ -1,17 +1,10 @@
 package com.dougkeen.bart.networktasks;
 
 import java.io.IOException;
-import java.io.StringWriter;
 import java.io.UnsupportedEncodingException;
 import java.net.MalformedURLException;
 import java.util.List;
 
-import org.apache.commons.io.IOUtils;
-import org.apache.http.HttpResponse;
-import org.apache.http.HttpStatus;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.client.methods.HttpUriRequest;
-
 import android.os.AsyncTask;
 import android.util.Log;
 import android.util.Xml;
@@ -20,6 +13,9 @@ import com.dougkeen.bart.model.Constants;
 import com.dougkeen.bart.model.RealTimeDepartures;
 import com.dougkeen.bart.model.Route;
 import com.dougkeen.bart.model.StationPair;
+import com.squareup.okhttp.OkHttpClient;
+import com.squareup.okhttp.Request;
+import com.squareup.okhttp.Response;
 
 public abstract class GetRealTimeDeparturesTask extends
         AsyncTask<StationPair, Integer, RealTimeDepartures> {
@@ -30,6 +26,8 @@ public abstract class GetRealTimeDeparturesTask extends
             + Constants.API_KEY + "&orig=%1$s";
     private final static int MAX_ATTEMPTS = 5;
 
+    private final OkHttpClient mClient = NetworkUtils.makeHttpClient();
+
     private Exception mException;
 
     private List<Route> mRoutes;
@@ -83,7 +81,9 @@ public abstract class GetRealTimeDeparturesTask extends
                         mRoutes.get(0).getDirection());
             }
 
-            HttpUriRequest request = new HttpGet(url);
+
+            Request request = new Request.Builder()
+                    .url(url).build();
 
             EtdContentHandler handler = new EtdContentHandler(
                     params.getOrigin(), params.getDestination(), mRoutes);
@@ -91,17 +91,13 @@ public abstract class GetRealTimeDeparturesTask extends
                 return null;
             }
 
-            HttpResponse response = NetworkUtils.executeWithRecovery(request);
+            Response response = mClient.newCall(request).execute();
 
-            if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
+            if (!response.isSuccessful()) {
-                throw new IOException("Server returned "
+                throw new IOException("Server returned " + response.code());
-                        + response.getStatusLine().toString());
             }
 
-            StringWriter writer = new StringWriter();
+            xml = response.body().string();
-            IOUtils.copy(response.getEntity().getContent(), writer, "UTF-8");
-
-            xml = writer.toString();
             if (xml.length() == 0) {
                 throw new IOException("Server returned blank xml document");
             }

app/src/main/java/com/dougkeen/bart/networktasks/GetRouteFareTask.java

@@ -1,23 +1,20 @@
 package com.dougkeen.bart.networktasks;
 
-import java.io.IOException;
-import java.io.StringWriter;
-import java.io.UnsupportedEncodingException;
-import java.net.MalformedURLException;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.http.HttpResponse;
-import org.apache.http.HttpStatus;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.client.methods.HttpUriRequest;
-import org.xml.sax.SAXException;
-
 import android.os.AsyncTask;
 import android.util.Log;
 import android.util.Xml;
 
 import com.dougkeen.bart.model.Constants;
 import com.dougkeen.bart.model.Station;
+import com.squareup.okhttp.OkHttpClient;
+import com.squareup.okhttp.Request;
+import com.squareup.okhttp.Response;
+
+import org.xml.sax.SAXException;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.MalformedURLException;
 
 public abstract class GetRouteFareTask extends
         AsyncTask<GetRouteFareTask.Params, Integer, String> {
@@ -26,6 +23,8 @@ public abstract class GetRouteFareTask extends
     private final static String FARE_URL = "http://api.bart.gov/api/sched.aspx?cmd=fare&date=today&key="
             + Constants.API_KEY + "&orig=%1$s&dest=%2$s";
 
+    private final static OkHttpClient client = NetworkUtils.makeHttpClient();
+
     private Exception mException;
 
     private String fare;
@@ -45,26 +44,21 @@ public abstract class GetRouteFareTask extends
         String xml = null;
 
         try {
-            HttpUriRequest request = new HttpGet(
+            Request request = new Request.Builder()
-                    String.format(FARE_URL, params.origin.abbreviation,
+                    .url(String.format(FARE_URL, params.origin.abbreviation, params.destination.abbreviation)).build();
-                            params.destination.abbreviation));
 
             FareContentHandler handler = new FareContentHandler();
             if (isCancelled()) {
                 return null;
             }
 
-            HttpResponse response = NetworkUtils.executeWithRecovery(request);
+            Response response = client.newCall(request).execute();
 
-            if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
+            if (!response.isSuccessful()) {
-                throw new IOException("Server returned "
+                throw new IOException("Server returned " + response.code());
-                        + response.getStatusLine().toString());
             }
 
-            StringWriter writer = new StringWriter();
+            xml = response.body().string();
-            IOUtils.copy(response.getEntity().getContent(), writer, "UTF-8");
-
-            xml = writer.toString();
             if (xml.length() == 0) {
                 throw new IOException("Server returned blank xml document");
             }

app/src/main/java/com/dougkeen/bart/networktasks/GetScheduleInformationTask.java

@@ -1,17 +1,5 @@
 package com.dougkeen.bart.networktasks;
 
-import java.io.IOException;
-import java.io.StringWriter;
-import java.io.UnsupportedEncodingException;
-import java.net.MalformedURLException;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.http.HttpResponse;
-import org.apache.http.HttpStatus;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.client.methods.HttpUriRequest;
-import org.xml.sax.SAXException;
-
 import android.os.AsyncTask;
 import android.util.Log;
 import android.util.Xml;
@@ -19,6 +7,15 @@ import android.util.Xml;
 import com.dougkeen.bart.model.Constants;
 import com.dougkeen.bart.model.ScheduleInformation;
 import com.dougkeen.bart.model.StationPair;
+import com.squareup.okhttp.OkHttpClient;
+import com.squareup.okhttp.Request;
+import com.squareup.okhttp.Response;
+
+import org.xml.sax.SAXException;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.MalformedURLException;
 
 public abstract class GetScheduleInformationTask extends
         AsyncTask<StationPair, Integer, ScheduleInformation> {
@@ -28,6 +25,8 @@ public abstract class GetScheduleInformationTask extends
 
     private final static int MAX_ATTEMPTS = 5;
 
+    private final static OkHttpClient client = NetworkUtils.makeHttpClient();
+
     private Exception mException;
 
     @Override
@@ -50,7 +49,7 @@ public abstract class GetScheduleInformationTask extends
                     params.getOrigin().abbreviation,
                     params.getDestination().abbreviation);
 
-            HttpUriRequest request = new HttpGet(url);
+            Request request = new Request.Builder().url(url).build();
 
             if (isCancelled()) {
                 return null;
@@ -59,17 +58,13 @@ public abstract class GetScheduleInformationTask extends
             ScheduleContentHandler handler = new ScheduleContentHandler(
                     params.getOrigin(), params.getDestination());
 
-            HttpResponse response = NetworkUtils.executeWithRecovery(request);
+            Response response = client.newCall(request).execute();
 
-            if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
+            if (!response.isSuccessful()) {
-                throw new IOException("Server returned "
+                throw new IOException("Server returned " + response.code());
-                        + response.getStatusLine().toString());
             }
 
-            StringWriter writer = new StringWriter();
+            xml = response.body().string();
-            IOUtils.copy(response.getEntity().getContent(), writer, "UTF-8");
-
-            xml = writer.toString();
             if (xml.length() == 0) {
                 throw new IOException("Server returned blank xml document");
             }

app/src/main/java/com/dougkeen/bart/networktasks/NetworkUtils.java

@@ -1,40 +1,47 @@
 package com.dougkeen.bart.networktasks;
 
-import java.io.IOException;
+import android.util.Log;
 
-import org.apache.http.HttpResponse;
+import com.squareup.okhttp.Interceptor;
-import org.apache.http.client.ClientProtocolException;
+import com.squareup.okhttp.OkHttpClient;
-import org.apache.http.client.HttpClient;
+import com.squareup.okhttp.Request;
-import org.apache.http.client.methods.HttpUriRequest;
+import com.squareup.okhttp.Response;
-import org.apache.http.conn.params.ConnManagerParams;
+
-import org.apache.http.impl.client.DefaultHttpClient;
+import java.io.IOException;
-import org.apache.http.params.HttpConnectionParams;
+import java.util.concurrent.TimeUnit;
-import org.apache.http.params.HttpParams;
 
 public class NetworkUtils {
 
-    public static HttpClient getHttpClient() {
+    private static class RetryInterceptor implements Interceptor {
-        HttpClient client = new DefaultHttpClient();
+        private static final String TAG = "RetryInterceptor";
-        final HttpParams params = client.getParams();
+
-        HttpConnectionParams.setConnectionTimeout(params,
+        @Override
-                NetworkUtils.CONNECTION_TIMEOUT_MILLIS);
+        public Response intercept(Chain chain) throws IOException {
-        HttpConnectionParams.setSoTimeout(params,
+            Request request = chain.request();
-                NetworkUtils.CONNECTION_TIMEOUT_MILLIS);
+
-        ConnManagerParams.setTimeout(params,
+            // try the request
-                NetworkUtils.CONNECTION_TIMEOUT_MILLIS);
+            Response response;
+            int attempt = 0;
+            do {
+                attempt++;
+                try {
+                    response = chain.proceed(request);
+                } catch (IOException e) {
+                    Log.w(TAG, "Request failed: ", e);
+                    response = null;
+                }
+            } while ((response == null || !response.isSuccessful()) && attempt < 2);
+
+            return response;
+        }
+    }
+
+    public static OkHttpClient makeHttpClient() {
+        OkHttpClient client = new OkHttpClient();
+        client.setConnectTimeout(CONNECTION_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
+        client.interceptors().add(new RetryInterceptor());
         return client;
     }
 
-    public static HttpResponse executeWithRecovery(final HttpUriRequest request)
-            throws IOException {
-        try {
-            return getHttpClient().execute(request);
-        } catch (IllegalStateException e) {
-            // try again... this is a rare error
-            return getHttpClient().execute(request);
-        }
-    }
-
     static final int CONNECTION_TIMEOUT_MILLIS = 10000;
-
 }

app/src/main/res/layout/train_alarm_dialog.xml

@@ -1,10 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    android:layout_height="wrap_content"
-    android:orientation="vertical"
+    android:orientation="horizontal">
-    >
+
+    <NumberPicker
+        android:id="@+id/numberPicker"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="2" />
 
     <TextView
         android:id="@+id/textView1"
@@ -14,15 +18,8 @@
         android:layout_weight="1"
         android:gravity="center_vertical"
         android:maxLines="3"
+        android:paddingLeft="10sp"
         android:singleLine="false"
-        android:text="minutes before departure"
+        android:text="@string/minutes_before_departure" />
-        />
-
-    <com.codetroopers.betterpickers.numberpicker.NumberPicker
-        android:id="@+id/numberPicker"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_weight="1"
-        />
 
 </LinearLayout>

app/src/main/res/values/strings.xml

@@ -37,7 +37,7 @@
     <string name="getting_on_this_train">I will board this train</string>
     <string name="departure_options">Departure options</string>
     <string name="your_train">Your train</string>
-    <string name="set_up_departure_alarm">Set up departure alarm</string>
+    <string name="set_up_departure_alarm">Set alarm</string>
     <string name="train_alarm_text">Your train is leaving soon!</string>
     <string name="silence_alarm">Silence alarm</string>
     <string name="cancel_alarm">Cancel alarm</string>
@@ -47,5 +47,6 @@
     <string name="arrives_at_destination">Arrive @ dest. ~</string>
     <string name="arrival_message">I\'ll be arriving at %1$s around %2$s</string>
     <string name="share_arrival_time">Share arrival time</string>
+    <string name="minutes_before_departure">minutes before departure</string>
 
 </resources>

app/src/main/res/values/styles.xml

@@ -3,7 +3,7 @@
 
     <!-- Base application theme is the default theme. -->
 
-    <style name="AppTheme" parent="Theme.AppCompat"></style>
+    <style name="AppTheme" parent="Theme.AppCompat"/>
 
     <style name="ButtonBar">
         <item name="android:layout_width">fill_parent</item>