• 背景透明的 Dialog


    一:控制Dialog 的背景方法:
    1.定义一个无背景主题主题

    <!--去掉背景Dialog-->
       <style name="NobackDialog" parent="@android:style/Theme.Dialog">
       <item name="android:windowBackground">@color/no_back</item>
      </style>

    2.创建Dialog

      dialog = new Dialog(this,R.style.dialog);  
       dialog.setContentView(R.layout.dialog_loading);       
      or:
        dialog = new Dialog(this,R.style.NobackDialog);  
        LayoutInflater mInflater =  LayoutInflater.from(this);
        View dialogProcessBar = mInflater.inflate(R.layout.dialog_loading,null);       
        dialog.setView(dialogProcessBar,0, 0, 0, 0);

    二:控制Dialog 以及内部控件的背景方法:

    dialog = new Dialog(this,R.style.dialog);
      WindowManager.LayoutParams lp=dialog.getWindow().getAttributes();
    // 模糊度getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND, WindowManager.LayoutParams.FLAG_BLUR_BEHIND);          dialog.getWindow().setAttributes(lp);
      lp.alpha=0.5f;(0.0-1.0)//透明度,黑暗度为lp.dimAmount=1.0f;
     

    三:去掉边框、title 等参数

    <resources>
        <style name="dialog" parent="@android:style/Theme.Dialog">
             <item name="android:windowFrame">@null</item><!--边框-->
            <item name="android:windowIsFloating">true</item><!--是否浮现在activity之上-->
            <item name="android:windowIsTranslucent">false</item><!--半透明-->
            <item name="android:windowNoTitle">true</item>
            <item name="android:background">@android:color/black</item>
            <item name="android:windowBackground">@null</item>
            <item name="android:backgroundDimEnabled">false</item><!--模糊-->
        </style>
    </resources>
    路漫漫其修远兮 吾将上下而求索
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  • 原文地址:https://www.cnblogs.com/hudabing/p/3778545.html
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