android edittext float two decimal

comprehensive exposition of android EditText

EditText property EditText inheritance: View -> TextView -> EditText. EditText attributes a lot of, here are a few: android: layout_gravity = "center_vertical" Set the control to display the location: the default top, centered here, as wel

Android EditText in to add a fixed image or text layout

<RelativeLayout android:id="@+id/RelativeLayout02" android:background="@drawable/login_back" android:paddingTop="21.0px" android:paddingBottom="10.0px" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginLeft="1

Android - EditText text contrast achieved with InputFilter

This feature is similar to painting. Known to have been copying the string, the input string EditText Contrast, input error, then use "×" replace the characters entered. import android.app.Activity; import android.os.Bundle; import android.

[Android] EditText some of the points with attention

1. How EditText the setText () to wrap the time Java code <EditText android: layout_width = "200dp" android: layout_height = "wrap_content" android: id = "@ + id / input" android: singleLine = "false" />

android edittext get selected text

EditText view = (EditText) findViewById (R.id.edt); Editable edit = view.getText (); int sta = view.getSelectionStart (); int end = view.getSelectionEnd (); String sel = edit. ToString (). Substring (beg, end); This String sel is the word selected by ...

Use Android EditText in Listview

This section to write a small program, there is a greater need to edit the data interface, so use a Listview, will be put to use to do editing EditText control, encountered the following situation: One. Screen scroll the content of the Adapter will c

Enter the word limit android editText

Method One: / / Input box to limit the input words editText.addTextChangedListener (new TextWatcher () { private CharSequence temp; private boolean isEdit = true; private int selectionStart; private int selectionEnd; @ Override public void beforeText

[Android Development] android editText enter the word limit

Method One: / / Input box to limit the input words editText.addTextChangedListener (new TextWatcher () { private CharSequence temp; private boolean isEdit = true; private int selectionStart; private int selectionEnd; @ Override public void beforeText

Android EditText value in the intent to get the edited cut screen will lead to edit the information can not be saved BUG

Scenes such as when I get a phone number to another page to jump to the dial interface to dial the number displayed EditText and edit! Appear in the editing process at this time to unlock the lock screen is edited data is not saved! The reason is that we

Android uses Google Map API to create a program based on latitude and longitude of a location

Realize the function is to enter longitude and latitude of the location in the concrete realization of the map shown as follows: Get Google Maps API key 1 To use Google's Maps API, Google must get from a Google Maps API key. Obtained as follows:

EditText allow only certain types of data input

Many users may be found in the development of Android EditText sometimes need to limit the content of user input, usually we can use regular expressions directly limit, but Android has been ready for us EditText of input type, this should be less tha

Android input box to text box with scroll bar and ScrollView

(From http://www.blogjava.net/improviser/archive/2010/11/03/336928.html ) We all know that Android EditText and TextView is the text entry box and the text display box, but the factors based on the size of the phone screen, if you need to enter more text,

Dialog boxes and rounded corners rounded corners PopupWindow EditText

Android EditText default PopupWindow and the appearance of a rectangular box, does not look too good, in this example by setting the layout of the View object's background and PopupWindowd background, to achieve a white rounded border effect and round

[Android development] Bundle object to pass parameters through to the next Activity

The first Activity (MainActivity.java) package org.me.android_transferparam; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText;

Android Development 06 - menus and dialog box (below)

Android Development 06 - menus and dialog box (below) 1. Progress dialog ProgressDialog can wheel and a progress bar shows progress, as ProgressDialog inherited from AlertDialog, so the progress of the dialog box can also add buttons. Usage examples of th

--- Note to Android android input box and a text box with scroll bars ScrollView

We all know that Android EditText and TextView is the text entry box and the text display box, but the factors based on the size of the phone screen, if you need to enter more text, or show more content when the phone screen is not enough, so let text box

mysql change the input decimal integer solution

mysql automatically changes the input decimal integer, lost a long time do not know how it is, very depressing problem. Database field type is clearly set double, float, etc. decimal type, but when the input decimal, decimal becomes an integer. Very

mysql decimal.numeric data type

The program may make people know, float type is stored floating point (ie decimal type), but the float has a downside, when you given when the data is an integer, then you deal with it as an integer. This currency values ​​in access problems when the

MYSQL database using the float type is accurate query result is null problem

Problem Description: Table A RechargeAmount field float (10,2) type, when according to the precise value of this field inquiries, according to the usual habit of using the SQL statement: SELECT * FROM `T_OMC_COMPANY_RECHARGE` where RechargeAmount = 2

C #, the difference between const and readonly (change)

C # introduced the readonly modifier to indicate read-only domain, const to represent the same constant. By definition of the read-only domain can not write, the same constant can not be modified, both in the end what is the difference? Read-only dom ...

DB2 UDB Java stored procedures to solve common problems

DB2 UDB Java stored procedures to solve common problems Taken from http://www.ibm.com/developerworks/cn/data/library/techarticles/dm-0510law/ Trusted to run the stored procedure, and because they do not depend on external Java Virtual Machine (Java Virtua

C # const and readonly difference (change)

C # introduced the readonly modifier to indicate read-only domain, const to represent the same constant. By definition of the read-only domain can not write, the same constant can not be modified, both in the end what is the difference? Read-only dom ...

C #, ASP.NET document questions (3)

This transferred from: http://www.cnblogs.com/JCSU/articles/1289762.html 120. Please describe the difference between property and indexer properties: (1) identify by name (3) by a simple name or member access to access (3) for static members or instance m

Similarities and differences between Java and C # syntax

Similarities and differences between Java and C # syntax 1. Value types 1. Basic data types Java has eight basic data types: boolean, byte, char, short, int, long, float, double C # data types will be more, java middle of the data types are signed, but C

MOTO702 Camera parameter settings on the camera issue on

Custom photo Android (HTC, MOTO702) Note: Camera I have been abstracted (factory) /* * Copyright (C) 2010 More Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * Yo

Getting Started III python

abs (num) returns the absolute value of num coerce (num1, num2) num1 and num2 will be converted to the same type, and then returns a tuple of the form. divmod (num1, num2) division - to take over operation of the combination. Returns a tuple (num1/nu

C #, (int). Int.Parse (). Int.TryParse.Convert.ToInt32 Data Conversion Considerations

Some of C # data type can be converted, such as type int into double. Privacy conversion is direct assignment, the former do not have the source data type conversion operators, Such as: int i = 2; double d = 3.0001; d = i; Conversion is shown that th

rails mysql does not support bigint primary key type

Encountered many times before, always forget about it today record. mysql supports int, tinyint, bigint fields, such as several data formats, rails (to be exact activerecord) abstract data structures, unified use of integer, said integer, then limit

DIalog and popWindow layout

Android EditText default PopupWindow and the appearance of a rectangular box, does not look too good, in this example by setting the layout of the View object's background and PopupWindowd background, to achieve a white rounded border effect and round

Chapter II: java I / O applications

Effect: main. xml <?xml version="1.0" encoding="utf-8"?> <AbsoluteLayout android:id="@+id/widget0" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" > <Edi

Chapter III: interactive communication services and mobile phone control (custom make a call)

Effect: main.xml <?xml version="1.0" encoding="utf-8"?> <AbsoluteLayout android:id="@+id/widget0" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" > <Edit

Chapter III: delete check by phone to change (SQLiteOpenHelper)

Effect: main.xml <?xml version="1.0" encoding="utf-8"?> <AbsoluteLayout android:id="@+id/widget0" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" > <EditText

orm with more, suddenly found that SQL can not write the ... re-learn the basic features SQL, adapted from fleaphp

<?php /** * Database package object, Mysql An operating package * */ class CoreDB { /** * Utilities object database operations * * @var CoreDbUtils */ protected $_dbUtils = NULL; /** * Links Resources logo * * @var resource */ protected $_link_identifi

editplus sql syntax coloring saved. stx

# TITLE = SQL ; SQL syntax file written by Lizhenzhou. # DELIMITER =,(){}[]-+*%/="'~!&|<>?:;. # QUOTATION1 = ' # QUOTATION2 = " # LINECOMMENT =-- # COMMENTON = / * # COMMENTOFF =* / # SPECIAL_STX = SQL # KEYWORD = SQL Tags ; VA

Android series of tutorials of Seven: EditText using Detailed - contains many features not visible demonstration tutorial

Wrote Heading a bit large, said to be Detailed, in fact, some common features of EditText presentation, including the password box, telephone box, a blank prompt text, and so the explanation, a more detailed description as possible, that is, the so-called

JS float type conversion and take n decimal places

javascript variables are weakly typed, all the variables are declared as var, the type conversion process there is no java so convenient, it is through parseInt (variable), parseFloat (variable) and other methods to carry out the type conversion. Not ...

Department of famous door Android (6) - Control (View) of the DatePicker, TimePicker, ToggleButton, EditText, Progre

Department of famous door Android (6) - Control (View) of the DatePicker, TimePicker, ToggleButton, EditText, ProgressBar, SeekBar, AutoCompleteTextView, MultiAutoCompleteTextView The use of various controls Android (View) DatePicker - date selection

Android: Read-only scrollable content EditText (Prohibition input method) implementation

Layout file to use as follows: <EditText android: id = "@ + id / edt_url" android: layout_width = "fill_parent" android: layout_height = "wrap_content" android: layout_marginLeft = "20dip" android: layout_ma

EditText android achieve shock effect

EditText we all know, this case can be achieved when we click on the button when the EditText will shock, specifically how to shock, vibration, long, several times, and so from our xml file inside the configuration parameter. I was to picture it, but

EditText android version of the monitor (addTextChangedListener)

Directly attached to the bar code _ok.setClickable (false); / / initialization not clickable _ok.setEnabled (false); _edit = (EditText) findViewById (R.id.fb_status_eidt); / / Main listener in the implementation of the interface _edit.addTextChangedL

EditText android's control, the contents of right-aligned

EditText android's control, the contents of right-aligned android: gravity = "right"

EditText android notes --- InputFilter text input filter to achieve

EditText is a text entry box control Android, which people should all know the Earth, but the default input EditText is omnipotent, and sometimes we need to design a piece of software, but the kids use, but also shielded the following minors can not be in

EditText android TextView and display pictures

EditText (TextView the same treatment.) Add a picture is mainly used SpannableString and ImageSpan categories: Drawable drawable = getResources (). GetDrawable (R.drawable.icon); drawable.setBounds (0, 0, drawable.getIntrinsicWidth (), drawable.getIntrins

SqlServer in decimal (numeric). Float and real data types difference

http://blog.csdn.net/zwxrain/archive/2009/03/20/4006431.aspx decimal data type can store up to 38 numbers, all numbers are able to put the right of the decimal point. decimal data type stores an accurate (exact) number of expressions; approximations

For a given number (float) rounded to two decimal places

For a given number (float) rounded to two decimal places

Decimal places to retain the back float

Keep two decimal select cast (check the data as decimal (10,2))

mysql the left, right, substr, instr string interception, the interception of decimal float

//------------------------------------------------ ----------------- select avg (stu_oder_percent) from tb_sch_collect Results: avg (stu_oder_percent): 60.60962 //------------------------------------------------ ----------------- select left (avg (stu_ode

Android development: turn off the soft keyboard in the EditText

1, EditText has focus (focusable as true) to stop the pop-up input editText = (EditText) findViewById (R.id.txtBody); editText.setOnTouchListener (new OnTouchListener () { public boolean onTouch (View v, MotionEvent event) { editText.setInputType (InputTy

android how to keep x digits after the decimal point

Can mainly be used BigDecimal this thing, I used the decimal successfully solved the problem 1: (Double) (Math.round (result_value * 10000) / 10000.0) This calculation can keep result_value four decimal places, and so on, a number of zero is reserved

mysql-left, right, substr, instr string interception, the interception of decimal float

//------------------------------------------------ ----------------- select avg (stu_oder_percent) from tb_sch_collect Results: avg (stu_oder_percent): 60.60962 //------------------------------------------------ ----------------- select left (avg (st
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