Intent object for receiving app widget Broadcast
Appwidgetprovider is just a convenient class. If you want to directly receive app widget broadcasts, You can implement your own broadcastreceiver class or override the onreceive (context, intent) callback method. You need to care about the following types of intent objects:
Action_appwidget_update
Action_appwidget_deleted
Action_appwidget_enabled
Action_appwidget_disabled
Action_appwidget_options_changed
Create a configuration activity for the app
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Android-gradle-simple introduction 4: Configuring manifest in the Custom Build Process
The Android Gradle plug-in provides a large number of DSL custom build processes. This blog explains how to configure manifest in gradle.
DSL provides the ability to configure the following Manifest entries:
MinSdkVersion
TargetSdkVersion
VersionCode
VersionName
ApplicationId
Udacity android Practice Notes: lesson 4 part B, udacityandroidUdacity android Practice Notes: lesson 4 part B
Prepared by: Taobao stores/titer1/ArchimedesSource: https://code.csdn.net/titer1Contact: September 1307316 (best SMS)Statement: This article uses the following agreement for authorization: Free Reprint-non com
Android positioning generally has four methods, these four ways are: GPS positioning, WiFi Dingzhun, base station positioning, AGPS positioning, NBSP;NBSP;NBSP (1) Android GPS: Requires GPS hardware support, direct and satellite interaction to obtain the current latitude and longitude, this way requires mobile phone support GPS module (now most of the smart machines should have). The accuracy of GPS is
Android applications. Samsung i9000 series (4). How superoneclick obtains root permissions
Papaya 20110408
I. Preface
After self-testing and analysis, the author concludes that the root permission is the most intuitive for Android phones.The most effective method is the superoneclick method!It has nothing to do with what jpe, jpd, jp8, and so on of the i9000 ba
Udacity Android Learning Note: Lesson 4 Part B/titer1/archimedes of dry Goods shop choresSource: Https://code.csdn.net/titer1Contact: 13,073,161,968Disclaimer: This document is licensed under the following agreement: Free reprint-Non-commercial-non-derivative-retention Attribution | Creative Commons by-nc-nd 3.0, reproduced please specify the author and source.Tips:https://code.csdn.net/titer1/pat_aha/blob/
Android is now implementing the tab type interface more and more, today the common implementation of the way to give you a summary. It is now written:
1, the traditional Viewpager implementation
2, Fragmentmanager+fragment implementation
3, Viewpager+fragmentpageradapter implementation
4, Tabpageindicator+viewpager+fragmentpageradapter
1, the traditional Viewpager implementation
The main thing is view
total number of bytes downloaded as progress, the total size of the target file as MAXPB = (ProgressBar) Findviewbyid (R.ID.PB); TV = (TextView) Findviewbyid (r.id.tv);} public void Click (View v) {Thread t = new Thread () {@Overridepublic void run () {try {URL url = new URL (path); HttpURLConnection conn = (httpurlconnection) url.openconnection (); Conn.setrequestmethod ("GET"); Conn.setconnecttimeout (8000); Conn.setreadtimeout (8000); if (conn.getresponsecode () = = 200) {//Get the total len
Must be U3D version 4.5 above, can be downloaded in the public directory. Want to debug iOS version in real time must be a Mac system!Pros: You can debug real-world Android devices in real time without compiling, including using the touch function (remote receives the touch event instead of the Mousce event), you can use the accelerator, you can use the gravity sensor, Of course, you can also test the real-time situation of multi-screen resolution ada
??Android Bullet screen implementation: Based on the B-Station bullet screen Open source System (4)-RefactoringThe play screen in the video playback of the app is more common, but the logic is more complex, now on the basis of the appendix, I again on the screen to abstract and re-structure, the barrage from the bottom up into different layers, easy to reuse.The first step is to abstract the data layer.Usua
4 data storage methods in Android:1.SharedPreference2.SQLite3.ContentProvider4.File 1.SharedPreference 1) Lightweight data storage mode a 2) is essentially an XML file that stores Key-value key-value pairs of data 3) to hold configuration information for an application's parameters/properties The Sharedpreference object itself can only fetch data without support for storage and modification, and the mod
)); Final MenuItem item = Add (group, ID, Categoryorder, Ri.loadlabel (PM)). SetIcon (Ri.loadicon (PM)). Setintent (rintent);if (outspecificitems! = null ri.specificindex >= 0) {Outspecificitems[ri.specificindex] = Item;}}return N;}From the source code, it may be seen that if there are multiple matches, these menu items have the same group, the same ID, and the same categoryorder. Although we used startingitemid in a small example, the Itemid is actually the same. In the small example, we added
In the Multimedia Age, how can I avoid image display? Fortunately, Android provides the Image Display Control imageview.ProgramYou can use this control to change the image displayed on the touch screen.
Program starts running
Click the screen and change the image
Package Snoopy. android; import android. app. activity; import
Here, we do not use IDE and directly use the command line for processing.
1. Create a project
Here we use the commands in tools in andriod SDK:
Android Create project -- Target 2/-- Path/workspace/andriod/learning/now -- activity now/-- Package com. Wei. andriod. Learning. Now
2. Programming
In the src/COM/Wei/andriod/learning/now/directory on now. Java, This is the activity we need to process. In this example, we create a button to display the t
Android Studio development chapter 4 Version Management Git (II) and androidgit
The previous section describes how to associate a remote repository in as. This section describes how to apply the repository in the development process.
Submit + Push
If the local development code has been changed or you think a function has been completed, you are planning to submit the changed code to the remote repository. T
Android provides a user-level lightweight LOG Mechanism. Its implementation runs through Java, JNI, local c/c ++ implementation, Linux kernel driver, and Other Android layers, and is simple and clear enough, it is a pretty good case. This series of articles explains the internal implementation mechanism of the LOG mechanism. This article is part 4 of the series.
I. Summary
By accident, I saw this tutorial on Android Developers and made it step by step. Below is a record.
Ii. How to draw OpenGL ES in Android
To use OpenGL to draw images in Android applications, we must create a view container. The most direct method is implement.GLSurfaceViewAndGlsurfaceview. Renderer.The former is the container, and the latter controls
Android supports a multiple-screen mechanism that provides an appropriate way to manage and resolve application resources for the current device screen. This article describes the Android screen adaptive solution in 4.
First, to elaborate layout_weight
The most recommended Android multi-screen adaptive solution at th
activity in this Singletask instance, the new activity will still be in the task of the Singletask instance.SingleInstance: There is only one instance, and this instance runs independently in a task, and this task is the only instance that does not allow any other activity to exist.4,viewpager+fragement first load, not load for the second time?5,listview pull-down refresh, how does the pull-up load be implemented, from the code point of view?6,umload
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