Android 透明状态栏

//沉浸状态栏 4.4
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
    Window window = getWindow();
    window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
//透明状态栏 5.0
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
    Window window = getWindow();
    window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
            | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
    window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
    window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS | FLAG_LAYOUT_IN_OVERSCAN);
    window.setStatusBarColor(getResources().getColor(R.color.colorAccent));
    window.setNavigationBarColor(Color.TRANSPARENT);
}

在根布局添加属性 android:fitsSystemWindows="true"