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