那些遇到过的问题

android:fitsSystemWindows ="true"在使用DrawerLayout和沉浸式模式时存在问题

Tim*_*mmo 6 android android-windowmanager navigation-drawer android-immersive

试图用身临其境的方式,使用时碰到的问题android:fitsSystemWindows="true"用DrawerLayout.我必须将此设置为true,以便将DrawerLayout工具栏约束到系统栏.

问题是,我有一个Fragment将应用程序设置为沉浸式模式.这使得应用程序执行此操作: 全屏与系统栏

我所知道的是一个已知的问题android:fitsSystemWindows="true".我将其设置为false,沉浸式模式运行良好,但工具栏和布局的其余部分不再受制于系统栏.我尝试在运行时设置值,布局的下半部分(也就是导航栏区域)由我的布局填充,但系统栏区域仍然显示: 带状态栏的全屏

这是我的代码:

activity_main.xml中

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start">

<include
    layout="@layout/app_bar_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

<android.support.design.widget.NavigationView
    android:id="@+id/nav_view"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    app:headerLayout="@layout/nav_header_main"
    app:menu="@menu/activity_main_drawer" />

</android.support.v4.widget.DrawerLayout>
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ClockFragment.java - 隐藏和显示

private void hideSystemUI() {
    if (Build.VERSION.SDK_INT >= 14) {
        getActivity().findViewById(R.id.drawer_layout).setFitsSystemWindows(false);
    }
    getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    if (Build.VERSION.SDK_INT >= 19) {
        mDecorView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_IMMERSIVE);
    } else if (Build.VERSION.SDK_INT >= 16) {
        mDecorView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN);
    } else {
        getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
    }
    toolbar.setVisibility(View.GONE);
    layoutParams.screenBrightness = -1.00f;
    getActivity().getWindow().setAttributes(layoutParams);
    drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
    uiShowing = false;
    dimming = false;
    screenMode = 1;
}

private void hideSystemUIAndDim() {
    if (Build.VERSION.SDK_INT >= 14) {
        getActivity().findViewById(R.id.drawer_layout).setFitsSystemWindows(false);
    }
    getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    if (Build.VERSION.SDK_INT >= 19) {
        mDecorView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_IMMERSIVE);
    } else if (Build.VERSION.SDK_INT >= 16) {
        mDecorView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN);
    } else {
        getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
    }
    toolbar.setVisibility(View.GONE);
    layoutParams.screenBrightness = 0.01f;
    getActivity().getWindow().setAttributes(layoutParams);
    drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
    uiShowing = false;
    dimming = true;
    screenMode = 2;
}

private void showSystemUI() {
    if (Build.VERSION.SDK_INT >= 14) {
        getActivity().findViewById(R.id.drawer_layout).setFitsSystemWindows(true);
    }
    if (Build.VERSION.SDK_INT >= 16) {
        mDecorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
        getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    } else {
        getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN
                | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

    }
    toolbar.setVisibility(View.VISIBLE);
    layoutParams.screenBrightness = -1.00f;
    getActivity().getWindow().setAttributes(layoutParams);
    drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
    uiShowing = true;
    dimming = false;
    screenMode = 0;
}
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Tim*_*mmo 10

好的,我终于解决了我的问题.事实证明我需要添加FLAG_FULLSCREEN标志.这是我未来观众的固定代码:

private void hideSystemUI() {
    if (Build.VERSION.SDK_INT >= 14) {
        drawerLayout.setFitsSystemWindows(false);
    }
    getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN
            | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    if (Build.VERSION.SDK_INT >= 19) {
        mDecorView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_IMMERSIVE);
    } else if (Build.VERSION.SDK_INT >= 16) {
        mDecorView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN);
    }
    toolbar.setVisibility(View.GONE);
    layoutParams.screenBrightness = -1.00f;
    getActivity().getWindow().setAttributes(layoutParams);
    drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
    uiShowing = false;
    dimming = false;
    screenMode = 1;
}

private void hideSystemUIAndDim() {
    if (Build.VERSION.SDK_INT >= 14) {
        drawerLayout.setFitsSystemWindows(false);
    }
    getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN
            | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    if (Build.VERSION.SDK_INT >= 19) {
        mDecorView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_IMMERSIVE);
    } else if (Build.VERSION.SDK_INT >= 16) {
        mDecorView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN);
    }
    toolbar.setVisibility(View.GONE);
    layoutParams.screenBrightness = 0.01f;
    getActivity().getWindow().setAttributes(layoutParams);
    drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
    uiShowing = false;
    dimming = true;
    screenMode = 2;
}

private void showSystemUI() {
    try {
        getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN
                | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        if (Build.VERSION.SDK_INT >= 14) {
            drawerLayout.setFitsSystemWindows(true);
        }
        if (Build.VERSION.SDK_INT >= 16) {
            mDecorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
            getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        }
        toolbar.setVisibility(View.VISIBLE);
        layoutParams.screenBrightness = -1.00f;
        getActivity().getWindow().setAttributes(layoutParams);
        drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
        uiShowing = true;
        dimming = false;
        screenMode = 0;
    } catch (NullPointerException e) {
        Log.e(TAG, e.toString());
    }
}
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  • 我环顾四周,在不同的解决方案,但一直回来您的解决方案.感谢您发布这么多你的代码.:) (2认同)

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