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Animated progress bar

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This commit is contained in:
Phillip Hsu
2016-08-08 02:57:21 -07:00
parent 07de78e8e7
commit 74ec0fd883
6 changed files with 87 additions and 8 deletions
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app/src/main/java/com/philliphsu/clock2/timers/TimerViewHolder.java
+46 -1
View File
@@ -1,5 +1,7 @@
package com.philliphsu.clock2.timers;
import android.animation.ObjectAnimator;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;
@@ -20,9 +22,11 @@ import butterknife.OnClick;
*/
public class TimerViewHolder extends BaseViewHolder<Timer> {
private static final String TAG = "TimerViewHolder";
private static final int MAX_PROGRESS = 10000;
private final AsyncTimersTableUpdateHandler mAsyncTimersTableUpdateHandler;
private TimerController mController;
private ObjectAnimator mProgressAnimator;
@Bind(R.id.label) TextView mLabel;
@Bind(R.id.duration) CountdownChronometer mChronometer;
@@ -34,17 +38,20 @@ public class TimerViewHolder extends BaseViewHolder<Timer> {
public TimerViewHolder(ViewGroup parent, OnListItemInteractionListener<Timer> listener,
AsyncTimersTableUpdateHandler asyncTimersTableUpdateHandler) {
super(parent, R.layout.item_timer, listener);
Log.d(TAG, "New TimerViewHolder");
mAsyncTimersTableUpdateHandler = asyncTimersTableUpdateHandler;
}
@Override
public void onBind(Timer timer) {
public void onBind(final Timer timer) {
super.onBind(timer);
Log.d(TAG, "Binding TimerViewHolder");
// TOneverDO: create before super
mController = new TimerController(timer, mAsyncTimersTableUpdateHandler);
bindLabel(timer.label());
bindChronometer(timer);
bindButtonControls(timer);
bindProgressBar(timer);
}
@OnClick(R.id.start_pause)
@@ -106,4 +113,42 @@ public class TimerViewHolder extends BaseViewHolder<Timer> {
mAddOneMinute.setVisibility(visibility);
mStop.setVisibility(visibility);
}
private void bindProgressBar(Timer timer) {
mProgressBar.setMax(MAX_PROGRESS);
final long timeRemaining = timer.timeRemaining();
final int progress = (int) (MAX_PROGRESS * (double) timeRemaining / timer.duration());
// In case we're reusing an animator instance that could be running
if (mProgressAnimator != null && mProgressAnimator.isRunning()) {
mProgressAnimator.end();
}
if (!timer.isRunning()) {
mProgressBar.setProgress(progress);
} else {
mProgressAnimator = ObjectAnimator.ofInt(
// The object that has the property we wish to animate
mProgressBar,
// The name of the property of the object that identifies which setter method
// the animation will call to update its values. Here, a property name of
// "progress" will result in a call to the function setProgress() in ProgressBar.
// The docs for ObjectAnimator#setPropertyName() says that for best performance,
// the setter method should take a float or int parameter, and its return type
// should be void (both of which setProgress() satisfies).
"progress",
// The set of values to animate between. A single value implies that that value
// is the one being animated to. Two values imply starting and ending values.
// More than two values imply a starting value, values to animate through along
// the way, and an ending value (these values will be distributed evenly across
// the duration of the animation).
progress, 0);
mProgressAnimator.setDuration(timeRemaining);
// The algorithm that calculates intermediate values between keyframes. We use linear
// interpolation so that the animation runs at constant speed.
mProgressAnimator.setInterpolator(null/*results in linear interpolation*/);
// This MUST be run on the UI thread.
mProgressAnimator.start();
}
}
}