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[Android] Blocking the screen until the image animation ends in order to avoid losing the pointer of the cloned bitmap #14

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[Android] Blocking the screen until the image animation ends in order to avoid losing the pointer of the cloned bitmap #14

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32 changes: 28 additions & 4 deletions android/src/main/java/com/oblador/pinchable/PinchableView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,15 +8,20 @@
import android.graphics.Color;
import android.graphics.PointF;
import android.graphics.Bitmap;
import android.os.Handler;
import android.os.Looper;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ValueAnimator;
import android.view.ViewParent;
import android.view.WindowManager;
import android.view.animation.DecelerateInterpolator;

import com.facebook.react.uimanager.ThemedReactContext;
import com.facebook.react.views.view.ReactViewGroup;

public class PinchableView extends ReactViewGroup implements OnTouchListener {
Expand All @@ -33,9 +38,10 @@ public class PinchableView extends ReactViewGroup implements OnTouchListener {
private ValueAnimator currentAnimator = null;
private ColorDrawable backdrop = null;
private BitmapDrawable clone = null;

private ThemedReactContext ctx = null;
public PinchableView(Context context) {
super(context);
this.ctx = (ThemedReactContext) context;
this.setOnTouchListener(this);
}

Expand Down Expand Up @@ -102,6 +108,8 @@ private void setCloneTransforms(float translateX, float translateY, float scale)
}

private void startGesture(View v, MotionEvent event) {
ctx.getCurrentActivity().getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE,
WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
if (currentAnimator != null) {
currentAnimator.cancel();
}
Expand Down Expand Up @@ -155,14 +163,12 @@ private void moveGesture(MotionEvent event) {

private void endGesture(MotionEvent event) {
active = false;
this.getParent().requestDisallowInterceptTouchEvent(false);
if (currentAnimator != null) {
currentAnimator.cancel();
}

ValueAnimator animator = ValueAnimator.ofFloat(1, 0);
animator.setDuration(animationDuration);
animator.setInterpolator(new DecelerateInterpolator(1.5f));
animator.setInterpolator(new DecelerateInterpolator(5f));
animator.addUpdateListener(updatedAnimation -> {
float animatedValue = (float)updatedAnimation.getAnimatedValue();
setCloneTransforms(translation.x * animatedValue, translation.y * animatedValue, 1 + (scale - 1) * animatedValue);
Expand All @@ -171,13 +177,22 @@ private void endGesture(MotionEvent event) {
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
endAnimation();
}

@Override
public void onAnimationCancel(Animator animation) {
super.onAnimationCancel(animation);
endAnimation();
}

@Override
public void onAnimationStart(Animator animation) {
super.onAnimationStart(animation);
ctx.getCurrentActivity().getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE,
WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
}
});
animator.start();
currentAnimator = animator;
Expand All @@ -195,6 +210,15 @@ private void endAnimation() {
clone = null;
}
setVisibility(View.VISIBLE);
ViewParent parent = this.getParent();
final Handler handler = new Handler(Looper.getMainLooper());
handler.postDelayed(new Runnable() {
@Override
public void run() {
ctx.getCurrentActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
parent.requestDisallowInterceptTouchEvent(false);
}
}, 100);
}

public void setMinimumZoomScale(float minimumZoomScale) {
Expand Down