Android 8.1 沉浸式状态栏

1.沉浸式全透明状态栏设置：

Window window = activity.getWindow()；
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
int option = window.getDecorView().getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
window.getDecorView().setSystemUiVisibility(option);
window.setStatusBarColor(Color.TRANSPARENT);
具体操作如下：首先写一个Util类，定义好需要执行的操作，然后在需要的地方调用

（1）定义StatusBarUtils 类，写好设置沉浸式透明状态栏需要的方法
public class StatusBarUtils {

public static void makeStatusBarTransparent(Activity activity) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
Window window = activity.getWindow();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
int option = window.getDecorView().getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
window.getDecorView().setSystemUiVisibility(option);
window.setStatusBarColor(Color.TRANSPARENT);
} else {
window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
}

}

（2）在需要沉浸式设置的Activity中的OnCreate()方法中调用makeStatusBarTransparent()方法

StatusBarUtils.makeStatusBarTransparent(this);

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