How to delete the project cache:
Getcachedir () can get the cache address of the current project
The webview control is often used in projects. When an HTML page is loaded, the database and cache folders are generated under
1. Install the Android version of the "pea pod" for the device, and install the pea pod on the computer (my computer fails to install the driver). You can only choose Automatic Installation.
2. for Android 4.0, go to Settings> developer Options>
Android: theme = "@ Android: style/theme. Dialog": the activity is displayed in the dialog box mode.
Android: theme = "@ Android: style/theme. notitlebar": the application is not displayed.ProgramTitle Bar
Android: theme = "@ Android:
A text message is an smsmessage object. A smsmessage object is created through a byte [], and a byte [] array is an object. In reality, the content of a text message may be too long, it will be divided into several text messages, so it corresponds
Register the sensor: Use the sensormanager's registerlistener (sensoreventlistener listener, sensor, int rate) Method
Sensoreventlistener has two implementation methods:
1. onaccuracychanged (sensor, int accuracy) // automatically called when the
The main UI thread is blocked when downloading files. Therefore, a new thread is required to perform the downloading operation. The handler is used to update the UI progress bar. The Code is as follows:
Public class androidtest extends activity
After an android project is completed, how can I publish the project to the internet for use by others? We need to package our program into the android installation package file APK (Android package) with the suffix ". APK ". Upload the APK file
The error "source not found" When debugging the android program should be crazy. goolge did not include the source code when releasing the SDK, which is a bit confusing, for many people, git is undoubtedly a raw thing, and all the Java code in the
Document directory
Graphics
Media
Speech recognition and third-party recognition engines
Camera and camcorder
Device Policy Manager
UI framework
Accounts and sync
New manifest elements and attributes
Permissions
Android 2.2 platformin
During the development of magicbubble In the android game, when two buckets are connected, the bubble disappears in the case of bubbles. The idea of the author is as follows: add an imageview to framelayout and define an explosion of animation.
These controls are commonly used, so they are commonly used during operations. Therefore, this part is an important part of Android software development and the content is relatively simple. Introduction to shard types
1. Single-stick operation: A
Add a file in the Res/drawable folder, which sets the image trigger status. You can set state_pressed, state_checked, state_pressed, state_selected, state_focused, state_enabled, and other statuses:
Android: state_pressed
Boolean. "True" if
Summary:
Android: paddingleft: indicates how much space is reserved in this control.
Android: layout_marginleft: the size of the control to the space of the parent control.
Android: layout_height = "28px" Android: layout_width = "fill_parent"
I recently read Android multimedia materials and found that the audio formats AMR, MP3, WAV, and mid supported in version 1.0-R2 do not support AAC, the mediaplayer provided by Android does not support the direct stream Creation Mode similar to that
I. First, let's talk about view and viewgroup.
All the UI classes in the Android system are built on the view and viewgroup classes. The child classes of all views become "widgets", and the Child classes of all viewgroups become "layout ". The view
Activity Full Screen Settings
Method 1:Androidmanifest. xml
Method 2:Code Implementation
Requestwindowfeature (window. feature_no_title); // hide the title bar
Getwindow (). setflags (windowmanager. layoutparams. flag_fullscreen, windowmanager.
A search on the Internet will create shortcuts for your own applications, but this article focuses on creating Desktop shortcuts for "specified applications.Common Desktop shortcuts have two elements: 1. Application name 2. Application icon.
The
Android development will bring about a new wave of popularity. Many developers have invested in this wave and created many excellent applications. Many developers provide open-source applications and contribute their wisdom and creativity. Learning
1. parcelableInterface
Interface for classes whose instances can be written to and restored from a parcel. Classes implementing the parcelable interface must also have a static field called Creator, which is an object implementing the parcelable.
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