- packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsTransitionController.java
private void updateAllAppsBg(float progress) {
// gradient
if (mGradientView == null) {
mGradientView = (GradientView) mLauncher.findViewById(R.id.gradient_bg);
mGradientView.setVisibility(View.INVISIBLE);//把VISIBLE修改为INVISIBLE
}
mGradientView.setProgress(progress);
}