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Method 1:CallWebview.loadurl ("About:blank");This method will destroy all video and audio including JS's all running functionMethod 2: @Override public void OnPause () { super Span style= "COLOR: #000000" >.onpause (); Mywebview.onpause (); Mywebview.pausetimers ();} @Override public void Onresume () { super protected void OnDestroy () {Mywebview.destroy (); Mywebview = null ; super .ondestroy ();} The method of the replication life cycle;

Myfragment Status by Onsaveinstancestate3. The user clicks into the app again4, because the myactivity is recycled, the system will restart the myactivity, based on the previously saved myfragment State recovery fragment5. In myactivity code logic, the new myfragment will be created again6, the page appears chaotic, covers two layers of fragment. If the restored myfragment uses the Getactivity () method, the null pointer exception is reportedFor the above questions, consider these two workaroun

) { audiomanager.abandonaudiofocus (adfocuschangelistener); } }　　 /** * Get audio focus **/ private Audiomanager.onaudiofocuschangelistener Adfocuschangelistener = new Audiomanager.onaudiofocuschangelistener () {public void onaudiofocuschange (int focuschange) { } };　　The Focuschange parameter of the Onaudiofocuschange () method indicates the owner of the Audiofocus competitor to Audiofocus, with the following values:

@JavascriptInterface public void resize (final float height) { WebViewActivity.this.runOnUiThread (new R Unnable () { @Override public void run () { //toast.maketext (getactivity (), Height + "", Toast.length_long). s How (); Relativelayout.layoutparams layoutparams = (Re Lativelayout.layoutparams) Mwebview1.getlayoutparams (); nbsp Layoutparams.width = Getresources (). Getdisplaymetrics () .widthpixels; nbsp layoutparams.height = (int) (Height * g

============ Problem Description ============Let's do the API for Android.It's 4.0 or 4.0.3.Is it possible to run with 4.0 Android 2.3?============ Solution 1============Only 2.3 can let 4.0 run, not 4.0 let 2.3 run============ Solution 2============Can run, but some 4.0 of the API is not available in 2.3.============ Solution 3============In general, you can simply set up a compatible minimum API version and a maximum API version in the XML configura

I believe that there are a lot of problems during the installation of Android studio, especially when the SDK is not downloaded for the first time. It's depressing.You can go to the official website to download it, or click here to download Android studio and SDK.First, do not download the SDK to launch Android StudioA workaround: Add a line to the end of the Bin

A number of third-party jar packages were introduced into the project, resulting in more than 65,536 calls (Dex 64K problem), which led to Dex's inability to generate the apk file.The solution is as follows:1, the official Google has given the relevant documents, referring to the online search information, first of all, my question is:Error:execution failed forTask ':d uchazhushou:dexrelease '.>com.android.ide.common.internal.LoggedErrorException:Failed to run command:c:\users\jeff\appdata\local

Many friends say lollipop out to try it out, the result is that the Web official downloaded Android Studio is version 20, and did not see updates to Android 5.0.I also mad on the internet a bit, collected a proxy address visual can be used, and download speed is also very fastProxy address: mirrors.neusoft.edu.cn Port: 801. We only need to select tools in the SDK MANGER and then enter the proxy address and

Transferred from: http://mobile.51cto.com/aprogram-403138.htmSee a manifest in the activity configuration, if this page has edittext, and we want to enter this page by default pop-up input method, you can set this property: Android:windowsoftinputmode= Statevisible, this will be the default pop-up input method, of course, there are other ways. 1 activity android:name = ". Ui.login" 2 android:configchanges = "Orientation|keyboardhidden|locale" 3 Android:screenorientation = "Portrait"

Problem:The JavaScript to Java Bridge on2.3 Gingerbread is causing crashes. This was 100% reproducible using the Webviewdemo application from here:http://code.google.com/p/apps-for-android/source/ browse/#svn/trunk/samples/webviewdemo.note:the project file for this app is a little messed up, however, if you recreate The project, keeping the code the same, you can reproduce the error. The sample is old, but the code should still run as none of the the

Running Android virtual machine always say that the ADB port is occupied, but you find the occupied port and kill after the virtual machine still reported such errors, suffer for a long time, in fact, the reason is that your computer installed rogue software 360. After uninstalling all the 360 you will find that the virtual machine is running particularly well and the computer is getting faster.So the problem is to uninstall all 360 software and then

Problem Description :Using Android Studio to import AOSP source and indexing, the upper right corner of the IDE may throw a warning "Kernel inotify watch Limit reached".Workaround :Open the/etc/sysctl.conf file and add a word to the end of the file:fs.inotify.max524288Use the following command to make the changes effective:sudo sysctl -pThen restart your Android studio to do it.Copyright NOTICE: This articl

Related information:1.http://www.cnblogs.com/yc-755909659/p/4080645.htmlproblem phenomenon: create Android emulator to mention "No system images installed for this target".problem Reason: the Cpu/abi option cannot be selected and displays "No system images installed for this target", that is, there is no suitable systems image, that is, the corresponding Android version of the SDK does not download the syst

Activity_main.xml Select design Display rendering problems no render target selectedFound the answer on the StackOverflow:You need to run the AVD Manager to add a virtual device this matches the target API version your project is set to.Click TOOLS->ANDROID->AVD Manager. Click on ' New ', add virtual devices targeting higher API levels, e.g, etc.Then restart for Android Studio, and open your project, it sho

. R.id.content); Mchildofcontent= Content.getchildat (0); Mchildofcontent.getviewtreeobserver (). Addongloballayoutlistener (NewViewtreeobserver.ongloballayoutlistener () { Public voidongloballayout () {possiblyresizechildofcontent (); } }); Framelayoutparams=(Framelayout.layoutparams) mchildofcontent.getlayoutparams (); } Private voidpossiblyresizechildofcontent () {intUsableheightnow =computeusableheight (); if(Usableheightnow! =usableheightprevious) { intUsa

);Activitystyle.recycle ();Activitystyle = Gettheme (). Obtainstyledattributes (Windowanimationstyleresid, new int[] {Android. R.attr.activitycloseenteranimation, Android. R.attr.activitycloseexitanimation});activitycloseenteranimation = Activitystyle.getresourceid (0, 0);Activitycloseexitanimation = Activitystyle.getresourceid (1, 0);Activitystyle.recycle (); Before you finish the program, you need to ca

My working environment: Ubuntu 16.04 LTS + Android Studio 2.3After the AVD is started, run the app with an error message:Delete_failed_internal_errorError while installing APKsThe search found that this was caused by not shutting down the instant app on Android Studio.File->settings->buil,execution,deployment->instant run->disable it.For details, please refer to the following StackOverflow link:https://stac

The app you are currently developing needs to send mail, so you need to call the Android default mail client and need to add multiple message attachments, which component should I call the default client? What components are used to support e-mail for multiple attachments?By which of the following?(Intent.action_send,Intent.action_sendto,Intent.action_send_multiple, ...)?Processing methodsAfter the Android

internal or external command, nor is it a running program". Many netizens encounter the same problem, there are various statements on the Internet: to install to the C drive, installation path can not have spaces and so on. In fact, these are not problems, I installed on the D drive, and the installation path has spaces.The above operation is actually no problem, the only thing to do is to close the command window, reopen, enter "Javac", you can see that the correct prompt has occurred:"Javac i

This article will take a more detailed note of some of the problems and solutions that have been encountered in the recent development course of the sample game-thumb solitaire game during the migration from WIN32 to Android. At present very incomplete, pending further finishing. Question 1When you connect a real-time test run, the following error message (Log.txt) appears when you run the SplashScreen: 09-16 13:28:16.525:i/glthread (25784