现在沉浸式页面非常受欢迎，那配套页面的Dialog也需要做到沉浸式才不会显得唐突，本文记录沉浸式弹窗实现。
一、代码实现
（一）创建自定义LoadingDialog继承自Dialog
public class LoadingDialog extends Dialog {
public LoadingDialog(@NonNull Context context) {
super(context, R.style.AlertDialog_AppCompat_LoadingNoBg);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.loading_dialog);
}
}
（二）在onCreate方法中实现测量视口大小，设置Dialog的宽高
public class LoadingDialog extends Dialog {
public LoadingDialog(@NonNull Context context) {
super(context, R.style.AlertDialog_AppCompat_LoadingNoBg);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.loading_dialog);
// 沉浸式dialog适配 核心代码
Window window = getWindow();
window.getDecorView().setSystemUiVisibility(getSystemUiVisibility());//获取视口全屏大小
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS); //这个flag表示window负责绘制状态栏的背景当设置了这个flag,系统状态栏会变透明,同时这个相应的区域会被填满 getStatusBarColor() and getNavigationBarColor()的颜色
window.setStatusBarColor(Color.TRANSPARENT);//设置bar为透明色
WindowManager.LayoutParams layoutParams = window.getAttributes();//获取dialog布局的参数
if (getBackgroundDrawable() != null) {
window.setBackgroundDrawable(getBackgroundDrawable());
}
layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;//宽全屏
layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;//高全屏
window.setNavigationBarColor(Color.TRANSPARENT);//设置导航栏颜
window.setType(WindowManager.LayoutParams.TYPE_APPLICATION_PANEL);//内容扩展到导航栏
if (Build.VERSION.SDK_INT >= 28) {
layoutParams.layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
}
window.setAttributes(layoutParams);
}
//设置背景颜色
protected Drawable getBackgroundDrawable() {
return null;
}
protected int getSystemUiVisibility() {
return View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
}
}
二、附上效果图
