需求:如上圖,需要隱藏右上角的多用戶藍色圖示.
修改后結果如下:
鎖屏相關的布局在SystemUI
frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
//更新多用戶圖示的可見性
private void updateVisibilities() {
if (mMultiUserSwitch.getParent() != mStatusIconArea && !mKeyguardUserSwitcherShowing) {
if (mMultiUserSwitch.getParent() != null) {
getOverlay().remove(mMultiUserSwitch);
}
mStatusIconArea.addView(mMultiUserSwitch, 0);
} else if (mMultiUserSwitch.getParent() == mStatusIconArea && mKeyguardUserSwitcherShowing) {
mStatusIconArea.removeView(mMultiUserSwitch);
}
if (mKeyguardUserSwitcher == null) {
// If we have no keyguard switcher, the screen width is under 600dp. In this case,
// we only show the multi-user switch if it's enabled through UserManager as well as
// by the user.
//控制其顯示還是不顯示
if (mMultiUserSwitch.isMultiUserEnabled()) {
mMultiUserSwitch.setVisibility(View.VISIBLE);
} else {
mMultiUserSwitch.setVisibility(View.GONE);
}
}
//直接使其不顯示就可以生效
mMultiUserSwitch.setVisibility(View.GONE);
mBatteryView.setForceShowPercent(mBatteryCharging && mShowPercentAvailable);
}
mMultiUserSwitch就是顯示多用戶的控制元件,對應的代碼在
frameworks/base/packages/SystemUI/res/layout/keyguard_status_bar.xml
<com.android.systemui.statusbar.phone.MultiUserSwitch android:id="@+id/multi_user_switch"
android:layout_width="@dimen/multi_user_switch_width_keyguard"
android:layout_height="match_parent"
android:background="@drawable/ripple_drawable"
android:layout_marginEnd="@dimen/multi_user_switch_keyguard_margin">
<ImageView android:id="@+id/multi_user_avatar"
android:layout_width="@dimen/multi_user_avatar_keyguard_size"
android:layout_height="@dimen/multi_user_avatar_keyguard_size"
android:layout_gravity="center"
android:scaleType="centerInside"/>
</com.android.systemui.statusbar.phone.MultiUserSwitch>
讀者可自行查看,完畢~
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