Yesterday, when the list was modified, there was a very tangled problem. In TextView, the "¥" symbol is not displayed in any way. The use of gas in the special symbol, all can be displayed correctly.Finally Baidu Google a lap did not find a why. So I felt like trying. The various properties of the settings are checked again. Finally, the problem appears on the textstyle= "bold". Plus, "¥" doesn't show up after that. After the "¥" is removed, it is dis
Figure Description: Moving, backup after the launch of Android virtual machine appears
Solution to the problem of panic:could not open D:\java2\android\android-sdk-windows\.android\avd\test.ini
A few days ago, I am sorting some files, the previously installed on the Android
Edittext inheritance relationship: View --> textview --> edittext
Edittext has many attributes. Here we will introduce several attributes:
Android: Background = "@ null" // edittext remove border
Android: hint = "enter a number! "// Set the prompt information displayed on the space
Android: Numeric = "integer" // you can only enter an integer. If it is a decimal
the cursor to the last line Android: AutoText // automatically spell help Android: Capitalize // The first letter uppercase Android: digits // set to only accept certain numbers Android: singleline // whether a single line or multiple lines are supported. Press enter to leave the text box or Add a new line
Edittext inheritance relationship: View --> textview --> edittextEdittext has many attributes. Here we will introduce several attributes:Android: hint = "enter a number! "// Set the prompt information displayed on the spaceAndroid: Numeric = "integer" // you can only enter an integer. If it is a decimalAndroid: singleline = "true" // you can specify a single-line Input. If this parameter is set to true, text is not automatically wrapped.Android: Password = "true" // you can only enter a password
EditText inheritance relationship: View --> TextView --> EditTextEditText has many attributes. Here we will introduce several attributes:Android: hint = "enter a number! "// Set the prompt information displayed on the spaceAndroid: numeric = "integer" // you can only enter an integer. If it is a decimalAndroid: singleLine = "true" // you can specify a single-line Input. If this parameter is set to true, text is not automatically wrapped.Android: password = "true" // you can only enter a password
.(4) Compile the appwidget. xml file in the layout directory to configure the interface information of your Widget:
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--> Xmlversionxmlversion = "1.0" encoding = "UTF-8"?>LinearLayoutxmlns: androidLinearLayoutxmlns: android =Http://schemas.android.om/apk/res/android"Android
= "true" android: layout_width = "20dp" only displays "t ...". If singleLine is not set or is set to false, the text will wrap automatically.
Android: shadowDx sets the start position of the horizontal shadow coordinate.
Android: shadowDy sets the start position of the Shadow vertical coordinate.
Android: shadowRadius
The components in android are everything, from simple buttons to complex webviews.In this case, you can use as many widgets as possible on the registration interface. Controls involved in this case include TextView, EditText, RadioButton, Button, ToggleButton, CheckBox, and Spinner.The overall layout structure of this case is as follows:
The main. xml code in MainActivity. java is as follows:Android: layout_width = "fill_parent"
not contain any prompts android: imeOptions = "actionGo" // the content of the buttons in the lower right corner is 'start' android: imeOptions = "actionSearch" // the button in the lower right corner is a magnifier image, and the search android: imeOptions = "actionSend" // the content in the lower right corner is 'send' an
method (Edittext attribute) is displayed)
Android: phoneNumber
Set as the telephone number Input Method
Android: singleLine
Set single row display
Android: textAppearance
Set the text appearance.
Android: textColor
Set text color
(19:56:08)
The code of a Common Logon interface is mainly three edittext, one checkbox, and two buttons.Http://schemas.android.com/apk/res/android"Android: Orientation ="
Vertical"Android: layout_width ="
Fill_parent"Android: layout_height ="
Fill_parent"Android: Background
textAppearanceLargeInverse
textAppearanceMedium
textAppearanceMediumInverse
textAppearanceSmall
textAppearanceSmallInverse
Android: textColor set text color
Android: the background color of the selected text in textColorHighlight. The default value is blue.
Android: textColorHint sets the text color of the prompt message. The default value is gr
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