Recent questions tagged Android

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android - Retrieve Picasa Image for Upload from Gallery

I am working on an activity and associated tasks that allow users to select an image to use as their ... any information about it anywhere. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - AES GCM implementation with authentication Tag in Java

I'm using AES GCM authentication in my android project and it works fine. But getting some issues with ... to resolve this issue. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Why is a single threaded model used to update the UI as main thread?

The Qt doc says, As mentioned, each program has one thread when it is started. This thread is called the " ... threaded model to update UI ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - SDK Manager failed to install 'java.exe' locking directory

I have ran into a curious error when trying to update Android SDK Tools to revision 21 from revision 20.0.3. ... : Fresh reboot did NOT resolve. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Rotating a Camera SurfaceView to portrait

I have looked up a few posts on changing the orientation of the camera with a surface view, but I have ... change to have this rotate properly? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Activity.addContentView(View) == ViewGroup.addContentView(View)?

I have a question regarding Android Activitys: An Activity has the Method addContentView(View) while a ... Activitys addContentView exactly? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - launch application from browser url scheme

Thanks to many good posts, I have bee trying to launch my Android app from a browser link using the following ... :75235">Launch Application</a> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Strange Bitmap using 1 Mb of Heap

Out of curiosity, I just recently tested my Android App for Memory Leaks, using the Eclipse Memory Analyzer. ... heap available as possible. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Finding what violated StrictMode policy

I've enabled StrictMode in my app and it's causing a few crashes as expected. How can I find out where in my ... , I need to know why! Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Check whether mobile is using WIFI or Data/3G

Assuming that both WIFI and Data/3G are enabled on a device, how do I check if the user is currently using the ... ssid = wifiInfo.getSSID(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Managing activity from DialogFragment

How can I call finish() and other non static methods from a DialogFragment in the activity that created it? I ... return builder.create(); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - how to use ffmpeg/libavcodec/libstagefright

I just have a question about how to use ffmpeg/libavcodec/libstagfright.cpp: I try to avcodec_open2(st->codec, ... somebody give me an example? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - custom ViewGroup example?

I searched here on SO, on Google, on the android docs... But I cannot find a single snippet of code with ... put its children where you want? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Should I use AlarmManager or Handler?

I'm writing an app that constantly polls the device's sensors and every so often should write down some ... schedule it with the AlarmManager? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - ZXing barcode scanner in custom layout in fragment

I develope ZXing barcode continuous scanner following this page on Android Studio. My App build.gradle had include: ... Thanks for all help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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436 views

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android - WebView hides soft keyboard during loadUrl(), which means a keyboard cannot stay open while calling javascript

Since the way you call javascript on a WebView is through loadUrl("javascript: ... "); The keyboard ... clearTextEntry() from being called? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - passing jsonarray from 1 activity to another

I am making an app in which I want o pass a json array between 2 activities .how to pass json arry from ... anybody help me over this?? thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to set the theme for the application, to avoid wrong color transitions?

Background I'm developing a themes chooser feature in my "app manager" app, and I've succeeded setting the theme ... in this class I call it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Can an IntentService run indefinitely?

Based on my understanding, an IntentService will get stopped when its current request is done. Consider the below ... based on the requests. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to send google maps location info through SMS as a link

In an application that I'm building, I am trying to send my location info(Lat,Long/ Geocoded) to my emergency ... as well. Thank you in advance See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

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android - Input-Elements in WebViews always have the same style if highlighted on HTC Devices

I'm currently writing an app which uses an embedded WebView to display its content or to sometimes query data from ... web browser to open it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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289 views

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android - How to use onAppWidgetOptionsChanged() in a widget?

I would like to update my widget every time it gets resized. I figured out that this is done in: ... make use of the bundle? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Persistent service

I know that some peoples view is that you should not create persistent services. But for those of us that want to ... . So what is the secret? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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android - How to specify directory for NDK_MODULE_PATH

I am having a trouble with this simple task for last couple of hours. I have ndk-modules directory in ... directory. Sorry for the confusion. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - PagerTabStrip tabs alignment to left

I am using PagerTabStrip to set sliding tabs. However, when I set three tabs, it shows the ... mSlidingTabLayout.setViewPager(mViewPager); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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310 views

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android - What permission I need in order to use camera flash in camera preview?

I have a custom camera application and I need to be able to turn flash on(torch mode actually)/off. ... /reference/android/hardware/Camera.html See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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210 views

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android - Implementing a TabListener using the Support Library

I am trying to implement Tab Navigation, but I want to make sure people that have older versions of ... library to ensure compatibility? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Hide screen in 'Recent Apps List', but allow screenshots

I mainly want to blank the screen in the recent apps list due to sensitive data being shown. For this, ... , while still allowing screenshots? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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