1.dialog点击外边关闭

public static Dialog creatDialog(final Context context,String tip){
  Dialog dialog = new Dialog(context,R.style.appDialog); 
  dialog.setContentView(R.layout.common_wdailog); 
  dialog.setCanceledOnTouchOutside(false);// 设置点击屏幕Dialog不消失

 int width = ScreenUtils.getScreenHeight((Context) mainActInterface);
        getDialog().getWindow().setLayout(width * 2 / 3,LinearLayout.LayoutParams.WRAP_CONTENT);

    public static int getScreenHeight(Context context)
    {
        WindowManager wm = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics outMetrics = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(outMetrics);
        return outMetrics.heightPixels;
    }

sqlite中创建自增字段:

简单的回答：一个声明为 INTEGER PRIMARY KEY 的字段将自动增加。