Added a screenshot mode.

telecine/src/main/java/com/jakewharton/telecine/Analytics.java

@@ -6,6 +6,7 @@
 interface Analytics {
   String CATEGORY_SETTINGS = "Settings";
   String CATEGORY_RECORDING = "Recording";
+  String CATEGORY_SCREENSHOT = "Screenshot";
   String CATEGORY_SHORTCUT = "Shortcut";
 
   String ACTION_CAPTURE_INTENT_LAUNCH = "Launch Overlay Launch";
@@ -20,6 +21,7 @@ interface Analytics {
   String ACTION_OVERLAY_CANCEL = "Overlay Cancel";
   String ACTION_RECORDING_START = "Recording Start";
   String ACTION_RECORDING_STOP = "Recording Stop";
+  String ACTION_SCREENSHOT_TAKEN = "Screenshot Taken";
   String ACTION_SHORTCUT_ADDED = "Shortcut Added";
   String ACTION_SHORTCUT_LAUNCHED = "Shortcut Launched";
 

telecine/src/main/java/com/jakewharton/telecine/FlashView.java

@@ -0,0 +1,67 @@
+package com.jakewharton.telecine;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.view.WindowManager;
+import android.view.animation.DecelerateInterpolator;
+import android.widget.FrameLayout;
+import butterknife.ButterKnife;
+import static android.graphics.PixelFormat.TRANSLUCENT;
+import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
+import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;
+import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
+import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS;
+import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
+import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL;
+import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
+
+@SuppressLint("ViewConstructor") // Lint, in this case, I am smarter than you.
+final class FlashView extends FrameLayout {
+
+    private final Listener listener;
+
+    static FlashView create(Context context, Listener listener) {
+      return new FlashView(context, listener);
+    }
+
+    private FlashView(Context context, Listener listener) {
+      super(context);
+
+      this.listener = listener;
+      inflate(context, R.layout.flash_view, this);
+      ButterKnife.bind(this);
+    }
+
+    @Override
+    protected void onAttachedToWindow() {
+      super.onAttachedToWindow();
+
+      animate().alpha(100)
+          .setDuration(200)
+          .withEndAction(new Runnable() {
+              @Override
+              public void run() {
+                  listener.onFlashComplete();
+              }
+          })
+      .setInterpolator(new DecelerateInterpolator());
+    }
+
+    static WindowManager.LayoutParams createLayoutParams() {
+
+      final WindowManager.LayoutParams params =
+          new WindowManager.LayoutParams(MATCH_PARENT, MATCH_PARENT, TYPE_SYSTEM_ERROR, FLAG_NOT_FOCUSABLE
+              | FLAG_NOT_TOUCH_MODAL
+              | FLAG_LAYOUT_NO_LIMITS
+              | FLAG_LAYOUT_INSET_DECOR
+              | FLAG_LAYOUT_IN_SCREEN, TRANSLUCENT);
+
+      return params;
+    }
+
+    interface Listener {
+      /** Called when flash animation has completed. */
+      void onFlashComplete();
+    }
+
+}

telecine/src/main/java/com/jakewharton/telecine/OverlayView.java

@@ -79,6 +79,11 @@ interface Listener {
 
     /** Called when stop is clicked. This view is unusable once this callback is invoked. */
     void onStop();
+
+    void onScreenshot();
+    /** Called when screenshot is clicked. This view will hide itself completely before invoking
+     * this callback. It will reappear once the screenshot has been saved.
+     */
   }
 
   @Bind(R.id.record_overlay_buttons) View buttonsView;
@@ -151,6 +156,10 @@ private OverlayView(Context context, Listener listener, boolean showCountDown) {
     }, showCountDown ? COUNTDOWN_DELAY : NON_COUNTDOWN_DELAY);
   }
 
+  @OnClick(R.id.record_overlay_screenshot) void onScreenshotClicked() {
+    listener.onScreenshot();
+  }
+
   private void startRecording() {
     recordingView.setVisibility(INVISIBLE);
     stopView.setVisibility(VISIBLE);