Use of Android Simulators
I. 90-degree rotation Simulator
Shortcut Key:CTRL + F11 or Ctrl + F12
2. Install APK in the simulator
Run the simulator first. Otherwise, the following error occurs:Error:Device not foundAfter the simulator is started, the terminal runs platform-tools/ADB:
ADB install xxx.apk (XXX is the APK path)
If the error message "failure [install_failed_already_exists]" is prompted during
Use the notes management software with the network synchronization function
By using the notes management software, such as evernote and Shanda Mai Ku (use this link to register, you can upgrade the 200 M control to 1G. As the invitee, my control will also grow by M, haha, win-win !)
Write a script on the pc end, uplo
Preliminary use of Android EventBus
The technology used by the project. To put it bluntly, the event to be passed (an Object that can be customized) is sent to the public component EventBus for storage,
After passing the event message to the subscriber (User) through EventBus, the subscriber can handle the event message by himself.
Don't be confused by the title. In fact, you can send and receive events
itself actually inherits from the Actor.
The camera is skipped here. Later, it can be understood as a tool for controlling the viewing angle and indicator conversion.
When we have an actor, we can call the addActor method to join the stage.
You can obtain the input on the stage, but you need to set it.
Gdx. input. setInputProcessor (stage );
The following is a column to control the movement of a person.
Button for controlling characters:
Put the desired image in assert
Three new classes are
1. Background selector (located in res/drawable/, using the method: android:background= "@drawable/xxx")
Copy Code code as follows:
2. Text color selector (located in res/color/, using the method: android:textcolor= "@color/xxx")
Copy Code code as follows:
Note: There is no android:color when Res/drawable/xxx.xml smart prompts, and there is no android:drawable res/color/xxx.xml smart prompts.
3. Background gradient (located in res/color/or res/drawable/
Learn about Android development and load images asynchronously (2) --- use other progress bars
Hello, I'm akira. In the previous section, we talked about asynchronous download using AsyncTask.
It mainly involves some image updates. This time we continue to improve the previous demo.
I don't know if you have found a problem. In the previous section, we left two bugs. 1. If there is no network, the click will
You can use ADB install hello.apk to install an APK but cannot start it. To start it, use the ADB shell am method.
Start activity:
ADB shell am start-N package name/package name + class name (-N class name,-A action,-d date,-M mime-type,-C category, -E ).
For example, ADB shell am start-N androidexport.com/androidexport.com.androidexportactivity
Similarly, ADB s
The ListView is a very common control that wirelessly can use to present a series of data, below to describe the usage of the ListView and how to improve the efficiency of the ListViewThe use of the ListView follows the MVC pattern, M is the entity, V is the view (that is, the ListView), and C is the controller (that is, the adapter adapter)Using a ListView gener
Android-eclipse tips for use a Code accessibility featureShow line NumbersCode hintsQuick NotesLine Comment ctrl+/Block Comment ctrl+shift+/Remove ctrl+shift+\ Quick Switch edit windowCtrl+f6 Uppercase Lowercase letter ToggleCtrl+shift+y all converted to lowercaseCtrl+shift+x all uppercase, conflict with 360 working with line codesALT + arrow key up and down to move up or downAlt+shift+ arrow keys up and do
Turn from "https://yq.aliyun.com/articles/33259"
To view the system version:Uname-a (Linux view version current operating system kernel information)Cat/proc/version (Linux view current operating system version information)
1, first need to install Ubuntu SVN. The SVN installation under Ubuntu is very simple, and sudo apt-get install subversion then follow the prompts to complete the installation of Ubuntu SVN, step-by-step;2, check out the file (checkout).
public int GetCount () {return num_items;
@Override public Fragment getitem (int position) {return arraylistfragment.newinstance (position);
} public static class Arraylistfragment extends listfragment {int mnum;
/** * Create A new instance of countingfragment, providing "num" * as an argument.
*/static arraylistfragment newinstance (int num) {arraylistfragment f = new arraylistfragment ();
Supply num input as an argument.
Bundle args = new Bundle ();
Args
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