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Commit 5273b695 authored by Tony's avatar Tony
Browse files

Reapply back button alpha at end of state animation 

We determine the toAlpha at the start of the state change, but something
may happen (e.g. we lose window focus) during the transition. So to make
sure we don't end in a state with the wrong alpha, reapply at the end.

Bug: 109835691
Change-Id: I271a1d269f861f698efbb8e66148a924c8620e71
parent 87168ca1

quickstep/src/com/android/launcher3/uioverrides/BackButtonAlphaHandler.java

+9 −0
Original line number Original line Diff line number Diff line
@@ -16,6 +16,8 @@ 




package com.android.launcher3.uioverrides;

package com.android.launcher3.uioverrides;





import android.animation.Animator;

import android.animation.AnimatorListenerAdapter;

import android.animation.ValueAnimator;

import android.animation.ValueAnimator;





import com.android.launcher3.Launcher;

import com.android.launcher3.Launcher;
@@ -56,6 +58,13 @@ public class BackButtonAlphaHandler implements LauncherStateManager.StateHandler 
                final float alpha = (float) valueAnimator.getAnimatedValue();

                final float alpha = (float) valueAnimator.getAnimatedValue();

                mOverviewInteractionState.setBackButtonAlpha(alpha, false);

                mOverviewInteractionState.setBackButtonAlpha(alpha, false);

            });

            });

            anim.addListener(new AnimatorListenerAdapter() {

                @Override

                public void onAnimationEnd(Animator animation) {

                    // Reapply the final alpha in case some state (e.g. window focus) changed.

                    UiFactory.onLauncherStateOrFocusChanged(mLauncher);

                }

            });

            builder.play(anim);

            builder.play(anim);

        }

        }

    }

    }