android Dialog实例

Dialog类

 public class DialogUtil {

     public static Dialog EditDialog(Activity context,View view){
         final Dialog dialog = new Dialog(context, R.style.dialogStyle);
         dialog.setContentView(view);
         Window window = dialog.getWindow();
         WindowManager.LayoutParams lp = window.getAttributes();
         int screenWidth = getScreenWidth(context);
         lp.width =screenWidth;
         window.setGravity(Gravity.CENTER);
         return dialog;

     }

     public static int getScreenWidth(Activity context) {
         DisplayMetrics dm = new DisplayMetrics();
         context.getWindowManager().getDefaultDisplay().getMetrics(dm);
         return dm.widthPixels;
     }

     public static int getScreenHeight(Activity context) {
         DisplayMetrics dm = new DisplayMetrics();
         context.getWindowManager().getDefaultDisplay().getMetrics(dm);
         return dm.heightPixels;
     }

 }

style

     <style name="dialogStyle">
         <item name="android:windowBackground">@android:color/transparent</item>
         <item name="android:windowNoTitle">true</item>
         <item name="android:windowIsTranslucent">true</item>
         <item name="android:windowContentOverlay">@null</item>
         <item name="android:windowFullscreen">false</item>
         <item name="android:windowIsFloating">true</item>
     </style>

调用：

    private Dialog mEditNameDialog;
    private void showEditDialog(){
        if (mEditNameDialog == null){
            View v = LayoutInflater.from(this).inflate(R.layout.dialog_meeting_detailed_edit_name, null);
            mEditNameDialog = DialogUtil.MeetingDetailedEditName(this, v);
            mEditNameDialog.show();
        }else{
            if (mEditNameDialog.isShowing())
            mEditNameDialog.dismiss();
            else
                mEditNameDialog.show();
        }
    }

.xml;略