Sometimes, when the app needs to click a button, the text color also changes. After the app is released, it is restored. Currently, two solutions are found: first, use images. If there are many images, the number of images is considerable. Second, this is what we will talk about in this article. To put it bluntly, paste the image first and then add the code.
Normal effect:
Effect:
First, create the color. xml file in the values directory, and add the following custom color code (note that t
look.Bypassing the pitfalls of Android Application Development"
After learning about this, let's take a look at how to make changes.
1. Change the android project name.
The purpose is to enable the two projects to be loaded in eclipse at the same time. Right-click the omnipotent item, right-click the refactor, and click Rename to enter the name to
Go from Android 4.1 audio system Change instructions to Android 4.1, English code abbreviation for JB. In the eyes of the Chinese people, the word jb is also a little related to animals. Google so frequently modified Android, finally launched a can be all day jb JB hanging in the mouth of the version. Later my article
Android Telephony-real-time mobile phone signal change source code analysis process record, androidtelephony
Source code: 4.4
Skip UI implementations such as InCallActivity. First look at the service and the underlying layer.
1. the following file list is found under frameworks/opt:
./telephony/src/java/com/android/internal/telephony/cdma/CdmaServiceStateTracker
1. First we need to know the spinner system comes with font and color essence:Native spring controls are unable to change fonts and colors ...As you can see from the code below ... The red callout shows the default layout for Android.1Spinner S1 =(Spinner) Findviewbyid (r.id.spinner1);2arrayadapterArrayadapter.createfromresource (3 This, R.array.colors,
a deep understanding of this thing ?) It is unlikely that the JB audio system can be understood based on the evolution of things. Therefore, it is recommended that the students who have never seen the evolution history of audio be carefully studied in the 99% S. (in the past, I only recommended that you take a look at it. Now the requirement for improvement is carefully studied) an in-depth understanding of Android volume I audio system.
BTW, in a sp
Link Address: http://blog.csdn.net/shengxia0dubing/article/details/25571987For projects that have been established, if the original project name is found to be inappropriate, if you want to completely change the project name, you need three steps:1. Change the project nameSelect the project name and right-click-->refactor-->rename.2. Change the package name under
SOURCE Version: 4.4Skipping UI implementations such as Incallactivity. First look at the service and the bottom.1, a list of the following files will be found below frameworks/opt:./telephony/src/java/com/android/Internal/telephony/cdma/Cdmaservicestatetracker.java. /telephony/src/java/com/android/Internal/telephony/cdma/Cdmalteservicestatetracker.java. /telephony/src/java/com/
:
480
250
15
The width of the picture
Picture of the High
Number of frames displayed per second
P
1
0
Part0
Identifier
Number of Cycles
Phase Switch interval time
The directory of the corresponding picture
P
0
10
Part1
Identifier
Number of Cycles
Phase Switch interval time
>
b, in a layout if there is a set of buttons to change the color when the corresponding is selected (this group of buttons is not an array), this can be defined as follows: Add a Selector_btn.xml file under the drawable file
xml version="1.0" encoding="utf-8"?>
selector xmlns : android = "http://schemas.android.com/apk/res/android"
Overridependingtransition (Enteranim, Exitanim);Intent Intent =new Intent (this,item2.class); startactivity (Intent); This.finish ();For the whole application to change the way, then use style control it1. Create Anim folder in Res folder2. Add the following files:Slide_left_in.xml in from the left. XML version= "1.0" encoding= "Utf-8" ?>set xmlns:android= "http://schemas.android.com/apk/ Res/android "> T
Overridependingtransition (Enteranim, Exitanim);Intent Intent =new Intent (this,item2.class); startactivity (Intent); This.finish ();For the whole application to change the way, then use style control it1. Create Anim folder in Res folder2. Add the following files:Slide_left_in.xml in from the left. XML version= "1.0" encoding= "Utf-8" ?>set xmlns:android= "http://schemas.android.com/apk/ Res/android "> T
When you modify the name of project in Android Studio, you are prompted to "can ' t rename root module."This is because Android Studio can only modify all files within the root directory, to modify the project root name, only to turn off Android studio to modify the folder name in the operating system.Specific steps:1. Close
The default path for the Android AVD simulator is C:\USER\USERNAME\.ANDROID\AVD, which you want to port to the D drive. The method is:1. Create a DirectorySet up the Android_sdk_home directory under D, under which the. Android subdirectory is created (note that there is a point in front of it.) Suppose you are prompted to enter a file name, copy the directory und
How to change the SDK version of Android Studio (for non-gradle)
There have been too many things recently, and I haven't updated it for a short time. I thought about what to write, even though there was a mess with the original plans.
Recently, many people are asking how to change the SDK version of Android Studio. I
This article describes a way to effectively change the color of the Android button.The button can change its color when the state changes (for example, press, disable, highlight). However, this requires one by one to describe each state. This article will provide you with a way to easily change the color of the button
I. OverviewSQLite is one of the core data storage services of Android system, it is a lightweight embedded database, it occupies very little resources but can provide very fast data access service, many large-scale Android projects that need data storage are useful to SQLite (also can be used for desktop applications).The following describes the creation of SQLite database, table operations, as well as basi
The first is the Stackfrombottom property, which is only after the list that you do well displays the bottom of your list, with a value of true and False android:stackfrombottom= "true" Second is the Transciptmode property, you need to track or view information in real time with a ListView or other control that displays a large number of items, and you want the latest entries to automatically scroll to the viewable range. By setting the Control Transcriptmode property, you can automatically
From: http://www.linuxidc.com/Linux/2011-06/36828.htmAndroid screen orientation change and onconfigurationchanged event
Note: The onconfigurationchanged event can be triggered not only when the screen direction is changed, but also when other system settings are changed, such as opening or hiding the keyboard.When the screen direction changes, the onconfigurationchanged event can be triggered. To capture this event for the current activity, we need t
Modify the Android device information. for example, change the mobile phone model to the iPhone 7 Gold and local version !. Modify the Android device information. for example, change the mobile phone model to the iPhone 7 Gold and local version! First, you must have the ROOT permission on your mobile phone. if there is
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