Fixed SeekBar not animating after device rotation

app/src/main/java/com/philliphsu/clock2/UntouchableSeekBar.java

@@ -0,0 +1,29 @@
+package com.philliphsu.clock2;
+
+import android.content.Context;
+import android.support.v7.widget.AppCompatSeekBar;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+/**
+ * A SeekBar that cannot be touch controlled.
+ */
+public class UntouchableSeekBar extends AppCompatSeekBar {
+
+    public UntouchableSeekBar(Context context) {
+        super(context);
+    }
+
+    public UntouchableSeekBar(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public UntouchableSeekBar(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    @Override
+    public final boolean onTouchEvent(MotionEvent event) {
+        return true;
+    }
+}

app/src/main/java/com/philliphsu/clock2/stopwatch/ChronometerWithMillis.java

@@ -21,7 +21,11 @@ import android.content.Context;
 import android.os.Handler;
 import android.os.Message;
 import android.os.SystemClock;
+import android.text.SpannableString;
+import android.text.Spanned;
+import android.text.TextUtils;
 import android.text.format.DateUtils;
+import android.text.style.RelativeSizeSpan;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.widget.TextView;
@@ -64,6 +68,9 @@ public class ChronometerWithMillis extends TextView {
     private StringBuilder mFormatBuilder;
     private OnChronometerTickListener mOnChronometerTickListener;
     private StringBuilder mRecycle = new StringBuilder(8);
+    private boolean mApplySizeSpan;
+
+    private static final RelativeSizeSpan SIZE_SPAN = new RelativeSizeSpan(0.5f);
 
     private static final int TICK_WHAT = 2;
 
@@ -223,6 +230,11 @@ public class ChronometerWithMillis extends TextView {
         return mRunning;
     }
 
+    public void setApplySizeSpan(boolean applySizeSpan) {
+        mApplySizeSpan = applySizeSpan;
+        init(); // update text again
+    }
+
     @Override
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
@@ -272,8 +284,15 @@ public class ChronometerWithMillis extends TextView {
                 // It looks like Google's Clock app strictly uses .
                 ".%02d", // The . before % is not a format specifier
                 centiseconds);
+        if (mApplySizeSpan) {
+            SpannableString span = new SpannableString(centisecondsText);
+            span.setSpan(SIZE_SPAN, 0, centisecondsText.length(),
+                    Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+            setText(TextUtils.concat(text, span), BufferType.SPANNABLE);
+        } else {
             setText(text.concat(centisecondsText));
         }
+    }
 
     private void updateRunning() {
         boolean running = mVisible && mStarted;

app/src/main/java/com/philliphsu/clock2/stopwatch/StopwatchFragment.java

@@ -87,6 +87,7 @@ public class StopwatchFragment extends RecyclerViewFragment<
         // have a null reference.
         mActivityFab = new WeakReference<>((FloatingActionButton) getActivity().findViewById(R.id.fab));
 
+        mChronometer.setApplySizeSpan(true);
         if (mStartTime > 0) {
             long base = mStartTime;
             if (mPauseTime > 0) {
@@ -95,8 +96,11 @@ public class StopwatchFragment extends RecyclerViewFragment<
             }
             mChronometer.setBase(base);
         }
-        if (mPrefs.getBoolean(KEY_CHRONOMETER_RUNNING, false)) {
+        if (wasChronometerRunning()) {
             mChronometer.start();
+            // Note: mChronometer.isRunning() will return false at this point and
+            // in other upcoming lifecycle methods because it is not yet visible
+            // (i.e. mVisible == false).
         }
         // Hides the mini fabs prematurely, so when we actually display this tab
         // they won't show even briefly at all before hiding.
@@ -115,6 +119,13 @@ public class StopwatchFragment extends RecyclerViewFragment<
     @Override
     public void onDestroyView() {
         super.onDestroyView();
+        // Every view that was in our tree is dereferenced for us.
+        // The reason we can control the animator here is because members
+        // are not dereferenced here, as evidenced by mStartTime and mPauseTime
+        // retaining their values.
+        if (mProgressAnimator != null) {
+            mProgressAnimator.removeAllListeners();
+        }
         Log.d(TAG, "onDestroyView()");
         Log.d(TAG, "mStartTime = " + mStartTime
                 + ", mPauseTime = " + mPauseTime);
@@ -127,17 +138,18 @@ public class StopwatchFragment extends RecyclerViewFragment<
 
     @Override
     public void onLoadFinished(Loader<LapCursor> loader, LapCursor data) {
+        Log.d(TAG, "onLoadFinished()");
         super.onLoadFinished(loader, data);
         // TODO: Will manipulating the cursor's position here affect the current
         // position in the adapter? Should we make a defensive copy and manipulate
         // that copy instead?
         if (data.moveToFirst()) {
             mCurrentLap = data.getItem();
-            Log.d(TAG, "Current lap ID = " + mCurrentLap.getId());
+//            Log.d(TAG, "Current lap ID = " + mCurrentLap.getId());
         }
         if (data.moveToNext()) {
             mPreviousLap = data.getItem();
-            Log.d(TAG, "Previous lap ID = " + mPreviousLap.getId());
+//            Log.d(TAG, "Previous lap ID = " + mPreviousLap.getId());
         }
         if (mCurrentLap != null && mPreviousLap != null) {
             // We really only want to start a new animator when the NEWLY RETRIEVED current
@@ -151,7 +163,10 @@ public class StopwatchFragment extends RecyclerViewFragment<
             // have different values for, e.g., t1 and pauseTime.
             //
             // Therefore, we'll just always end the previous animator and start a new one.
-            if (mChronometer.isRunning()) {
+            //
+            // NOTE: If we just recreated ourselves due to rotation, mChronometer.isRunning() == false,
+            // because it is not yet visible (i.e. mVisible == false).
+            if (mChronometer.isRunning() || wasChronometerRunning()) {
                 startNewProgressBarAnimator();
             } else {
                 // I verified the bar was visible already without this, so we probably don't need this,
@@ -299,10 +314,7 @@ public class StopwatchFragment extends RecyclerViewFragment<
         mSeekBar.setVisibility(View.VISIBLE);
         mProgressAnimator = ProgressBarUtils.startNewAnimator(
                 mSeekBar, getCurrentLapProgressRatio(), timeRemaining);
-        mProgressAnimator.addListener(mAnimatorListener);
+        mProgressAnimator.addListener(new Animator.AnimatorListener() {
-    }
-
-    private final Animator.AnimatorListener mAnimatorListener = new Animator.AnimatorListener() {
             private boolean cancelled;
 
             @Override
@@ -333,7 +345,8 @@ public class StopwatchFragment extends RecyclerViewFragment<
             public void onAnimationRepeat(Animator animation) {
 
             }
-    };
+        });
+    }
 
     private double getCurrentLapProgressRatio() {
         if (mPreviousLap == null)
@@ -356,6 +369,9 @@ public class StopwatchFragment extends RecyclerViewFragment<
                 .apply();
     }
 
+    private boolean wasChronometerRunning() {
+        return mPrefs.getBoolean(KEY_CHRONOMETER_RUNNING, false);
+    }
     // ======================= DO NOT IMPLEMENT ============================
 
     @Override

app/src/main/java/com/philliphsu/clock2/timers/TimerViewHolder.java

@@ -17,14 +17,12 @@ import com.philliphsu.clock2.util.ProgressBarUtils;
 
 import butterknife.Bind;
 import butterknife.OnClick;
-import butterknife.OnTouch;
 
 /**
  * Created by Phillip Hsu on 7/25/2016.
  */
 public class TimerViewHolder extends BaseViewHolder<Timer> {
     private static final String TAG = "TimerViewHolder";
-    private static final int MAX_PROGRESS = 100000;
 
     private final AsyncTimersTableUpdateHandler mAsyncTimersTableUpdateHandler;
     private TimerController mController;
@@ -71,11 +69,6 @@ public class TimerViewHolder extends BaseViewHolder<Timer> {
         mController.stop();
     }
 
-    @OnTouch(R.id.seek_bar)
-    boolean captureTouchOnSeekBar() {
-        return true; // Do nothing when the user touches the seek bar
-    }
-
     private void bindLabel(String label) {
         if (!label.isEmpty()) {
             mLabel.setText(label);
@@ -137,9 +130,10 @@ public class TimerViewHolder extends BaseViewHolder<Timer> {
         if (!timer.isRunning()) {
             // If our scale were 1, then casting ratio to an int will ALWAYS
             // truncate down to zero.
-            mSeekBar.setMax(100);
+//            mSeekBar.setMax(100);
-            final int progress = (int) (100 * ratio);
+//            final int progress = (int) (100 * ratio);
-            mSeekBar.setProgress(progress);
+//            mSeekBar.setProgress(progress);
+            ProgressBarUtils.setProgress(mSeekBar, ratio);
 //            mSeekBar.getThumb().mutate().setAlpha(progress == 0 ? 0 : 255);
         } else {
 //            mSeekBar.getThumb().mutate().setAlpha(255);

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

@@ -26,7 +26,7 @@
 
     </LinearLayout>
 
-    <SeekBar
+    <com.philliphsu.clock2.UntouchableSeekBar
         android:id="@+id/seek_bar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"

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

@@ -33,9 +33,8 @@
         <!--TODO: Consider removing this bottom margin, because the seekbar
         is rendering with HUGE top and bottom padding already. -->
 
-        <!-- Cannot be touch controlled -->
         <!--The default style has padding start and end, so we remove both-->
-        <SeekBar
+        <com.philliphsu.clock2.UntouchableSeekBar
             android:id="@+id/seek_bar"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"