自定义Dialog

<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:android="http://schemas.android.com/apk/res/android">
    <style name="add_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><!-- 无标题 -->
        <item name="android:windowBackground">@drawable/bg_search_end</item><!-- 自己想要的背景 -->
        <item name="android:backgroundDimEnabled">false</item><!-- 模糊 -->
    </style>

public class MyDialog extends Dialog{

public MyDialog(Context context, int theme) {
    super(context, theme);
}

public SelectDialog(Context context) {
    super(context);
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.slt_cnt_type);
}
}

MyDialog selectDialog = new MyDialog(this,R.style.dialog);//创建Dialog并设置样式主题
Window win = dialog.getWindow();
LayoutParams params = new LayoutParams();
params.x = -80;//设置x坐标
params.y = -60;//设置y坐标
win.setAttributes(params);
dialog.setCanceledOnTouchOutside(true);//设置点击Dialog外部任意区域关闭Dialog
dialog.show();