Merge pull request #2 from SandroMachado/feature/add-append-text-support

Add append text support

README.md

@@ -1,7 +1,7 @@
 # Restaurant
 An extension to the Snackbar view available at the Android Design Support Library.
 
-Restaurant wraps the `Snackbar` implementation to easily allow more customization. With Restaurant you can change the text and background color of the `Snackbar` just calling a method. Restaurant can also detect the correct view to attach the Snackbar just receiving the activity. 
+Restaurant wraps the `Snackbar` implementation to easily allow more customization. With Restaurant you can change the text and background color of the `Snackbar` just calling a method. Restaurant can also detect the correct view to attach the Snackbar just receiving the activity.
 
 # Gradle Dependency
 
@@ -24,7 +24,7 @@ dependencies {
 
     // ... other dependencies here.
     // Set the transitive = false if you already have the Design Support Library dependency.
-    compile('com.github.SandroMachado.restaurant:0.1.0@aar') {
+    compile('com.github.SandroMachado.restaurant:0.2.0@aar') {
         transitive = true
     }
 }
@@ -52,6 +52,19 @@ new Restaurant(MainActivity.this, "Snackbar with custom text color", Snackbar.LE
     .show();
 ```
 
+Show a Snackbar with a custom text colors:
+
+![Snackbar with custom text colors](screenshots/custom_text_colors.png)
+
+```Java
+new Restaurant(MainActivity.this, "", Snackbar.LENGTH_LONG)
+    .appendText("RED", Color.RED)
+    .appendText("GREEN", Color.GREEN)
+    .appendText("BLUE", Color.BLUE)
+    .appendText("WHITE", Color.WHITE)
+    .show();
+```
+
 Show a custom Snackbar:
 
 ![Snackbar with custom](screenshots/custom.png)

Sample/RestaurantSample/app/src/main/java/com/sandro/restaurantesample/MainActivity.java

@@ -46,5 +46,18 @@ public void onClick(View v) {
                     .show();
             }
         });
+
+        Button snackbarMultipleCustomTextColor = (Button) findViewById(R.id.button_snackbar_multiple_custom_text_color);
+        snackbarMultipleCustomTextColor.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                new Restaurant(MainActivity.this, "", Snackbar.LENGTH_LONG)
+                    .appendText("RED", Color.RED)
+                    .appendText("GREEN", Color.GREEN)
+                    .appendText("BLUE", Color.BLUE)
+                    .appendText("WHITE", Color.WHITE)
+                    .show();
+            }
+        });
     }
 }

Sample/RestaurantSample/app/src/main/res/layout/activity_main.xml

@@ -29,5 +29,10 @@
         android:layout_height="wrap_content"
         android:text="Show a Snackbar with custom text color and background"/>
 
+    <Button
+        android:id="@+id/button_snackbar_multiple_custom_text_color"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Show a Snackbar with multiple custom text color"/>
 
 </LinearLayout>

app/src/main/java/com/sandro/restaurant/Restaurant.java

@@ -6,17 +6,41 @@
 import android.support.annotation.NonNull;
 import android.support.annotation.StringRes;
 import android.support.design.widget.Snackbar;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.style.ForegroundColorSpan;
 import android.view.View;
 import android.widget.TextView;
 
+/**
+ * The Restaurant is an extension to the Snackbar view available at the Android Design Support Library.
+ *
+ * Restaurant wraps the Snackbar implementation to easily allow more customization. With Restaurant
+ * you can change the text and background color of the Snackbar just calling a method. Restaurant
+ * can also detect the correct view to attach the Snackbar just receiving the activity.
+ */
 public class Restaurant {
 
-    private Snackbar snackbar;
+    private final Snackbar snackbar;
 
+    /**
+     * Constructor.
+     *
+     * @param activity The activity.
+     * @param resId The resource id of the string resource to use. Can be formatted text.
+     * @param duration How long to display the message.
+     */
     public Restaurant(Activity activity, @StringRes int resId, @Snackbar.Duration int duration) {
         this.snackbar = Snackbar.make(activity.getWindow().getDecorView().findViewById(android.R.id.content), resId, duration);
     }
 
+    /**
+     * Constructor.
+     *
+     * @param activity The activity.
+     * @param text The string to use. Can be formatted text.
+     * @param duration How long to display the message.
+     */
     public Restaurant(Activity activity, @NonNull CharSequence text, @Snackbar.Duration int duration) {
         this.snackbar = Snackbar.make(activity.getWindow().getDecorView().findViewById(android.R.id.content), text, duration);
     }
@@ -30,6 +54,18 @@ public Snackbar getSnackBar() {
         return snackbar;
     }
 
+    public Restaurant appendText(String text, @ColorInt int color) {
+        Spannable spannable = new SpannableString(text);
+        View view = this.getSnackBar().getView();
+        TextView textView = (TextView) view.findViewById(R.id.snackbar_text);
+
+        spannable.setSpan(new ForegroundColorSpan(color), 0, spannable.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+
+        textView.append(spannable);
+
+        return this;
+    }
+
     /**
      * Sets the text color of the action specified in
      * {@link #setAction(CharSequence, View.OnClickListener)}.
@@ -123,9 +159,9 @@ public Restaurant setText(@StringRes int resId) {
     @NonNull
     public Restaurant setTextColor(ColorStateList colors) {
         View view = this.getSnackBar().getView();
-        TextView tv = (TextView) view.findViewById(R.id.snackbar_text);
+        TextView textView = (TextView) view.findViewById(R.id.snackbar_text);
 
-        tv.setTextColor(colors);
+        textView.setTextColor(colors);
 
         return this;
     }