Android 11.0 修复在Settings首页,按键盘方向键不会全部选中而是选中单个选项
Posted 王睿丶
tags:
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思路:
当获取到上下键值时,判断当前界面如果是设置主界面,就让它不执行全选代码
路径:frameworks/base/core/java/android/view/ViewRootImpl.java
if (direction!=33 || (direction == 33 && (!"com.android.settings.homepage.SettingsHomepageActivity".equals(cn.getClassName()))))
private boolean performFocusNavigation(KeyEvent event)
if (direction != 0)
View focused = mView.findFocus();
if (focused != null)
View v = focused.focusSearch(direction);
if (v != null && v != focused)
// do the math the get the interesting rect
// of previous focused into the coord system of
// newly focused view
focused.getFocusedRect(mTempRect);
if (mView instanceof ViewGroup)
((ViewGroup) mView).offsetDescendantRectToMyCoords(
focused, mTempRect);
((ViewGroup) mView).offsetRectIntoDescendantCoords(
v, mTempRect);
+ //wangrui On the home page of the settings, cancel the selection and select the first level directory instead
+ am = (android.app.ActivityManager) mContext.getSystemService(ACTIVITY_SERVICE);
+ cn = am.getRunningTasks(1).get(0).topActivity;
+ if (direction!=33 || (direction == 33 && (!"com.android.settings.homepage.SettingsHomepageActivity".equals(cn.getClassName()))))
+ if (v.requestFocus(direction, mTempRect))
+ playSoundEffect(SoundEffectConstants
+ .getContantForFocusDirection(direction));
+ return true;
+
+
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