Fix the bug that button text overflow when the device is over lollipop.

library/src/main/java/hotchemi/android/rate/DialogManager.java

@@ -1,25 +1,29 @@
 package hotchemi.android.rate;
 
+import android.annotation.TargetApi;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.os.Build;
 import android.view.View;
-import android.view.Window;
 
 import static hotchemi.android.rate.IntentHelper.createIntentForGooglePlay;
 import static hotchemi.android.rate.PreferenceHelper.setAgreeShowDialog;
 import static hotchemi.android.rate.PreferenceHelper.setRemindInterval;
+import static hotchemi.android.rate.Utils.getDialogBuilder;
 
 final class DialogManager {
 
     private DialogManager() {
     }
 
+    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
     static Dialog create(final Context context, boolean isShowNeutralButton,
                          boolean isShowTitle, final OnClickButtonListener listener, View view) {
-        AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        AlertDialog.Builder builder = getDialogBuilder(context);
         builder.setMessage(R.string.rate_dialog_message);
+        if (isShowTitle) builder.setTitle(R.string.rate_dialog_title);
         if (view != null) builder.setView(view);
         builder.setPositiveButton(R.string.rate_dialog_ok, new DialogInterface.OnClickListener() {
             @Override
@@ -45,13 +49,7 @@ public void onClick(DialogInterface dialog, int which) {
                 if (listener != null) listener.onClickButton(which);
             }
         });
-        AlertDialog dialog = builder.create();
-        if (!isShowTitle) {
-            dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
-        } else {
-            dialog.setTitle(R.string.rate_dialog_title);
-        }
-        return dialog;
+        return builder.create();
     }
 
 }

library/src/main/java/hotchemi/android/rate/Utils.java

@@ -0,0 +1,34 @@
+package hotchemi.android.rate;
+
+import android.annotation.SuppressLint;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.os.Build;
+
+final class Utils {
+
+    private Utils() {
+    }
+
+    static boolean underHoneyComb() {
+        return Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB;
+    }
+
+    static boolean overLollipop() {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
+    }
+
+    static int getDialogTheme() {
+        return overLollipop() ? R.style.CustomLollipopDialogStyle : 0;
+    }
+
+    @SuppressLint("NewApi")
+    static AlertDialog.Builder getDialogBuilder(Context context) {
+        if (underHoneyComb()) {
+            return new AlertDialog.Builder(context);
+        } else {
+            return new AlertDialog.Builder(context, getDialogTheme());
+        }
+    }
+
+}

library/src/main/res/values-v21/themes.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="CustomLollipopDialogStyle" parent="android:Theme.Material.Light.Dialog.Alert">
+        <item name="android:buttonBarButtonStyle">@style/CustomButtonBarButtonStyle</item>
+        <item name="android:buttonBarStyle">@style/CustomButtonBarStyle</item>
+    </style>
+
+    <style name="CustomButtonBarStyle" parent="@android:style/Widget.Material.Light.ButtonBar.AlertDialog">
+        <!-- Making sure, the button bar uses parent width and is not restricted in height -->
+        <item name="android:layout_width">match_parent</item>
+        <item name="android:layout_height">wrap_content</item>
+        <item name="android:height">@null</item>
+        <item name="android:minHeight">@null</item>
+    </style>
+
+    <style name="CustomButtonBarButtonStyle" parent="@android:style/Widget.Material.Light.Button.Borderless.Colored">
+        <!-- Setting the weight as follows should result in equally wide buttons filling the alert dialog width,
+            but instead they span further out of the dialog, breaking in multiple lines though -->
+        <item name="android:layout_width">0dp</item>
+        <item name="android:layout_weight">1</item>
+        <!-- TODO: setting a fixed width as follows results in narrow buttons with line breaks, but of course this is not a solution -->
+        <item name="android:width">100dp</item>
+    </style>
+
+</resources>