I have the following structure in my app: FragmentActivity with ViewPager holding multiple fragments managed by FragmentStatePagerAdapter using compativility pack with Android 2.1 Each fragment contains ListView. Each element in the ListView has a LinearLayout with two TextViews and a Button. The LinearLayout and the button have onClickListeners (separate). Clicking on the LinearLayout starts another […]
I’ve decided to teach myself how to program android apps, and so got the ADT onto eclipse and going through the tutorials on the android development page. I’ve run into a problem where eclipse doesn’t launch the emulator to run the app a second time. I first noticed the problem on the second tutorial talking […]
I’m developing an application in which I’m pasting images, doing drawing and painting on canvas. This app can also Scale up/down the canvas or drag it to different location. My problem is: I can’t get the correct canvas coordinates after scaling or dragging the canvas. I want to draw finger paint after the canvas is […]
This shouldn’t be too tough of a question. I want the ability to take a screenshot of my layout (view) and send it via sms. Can someone walk me though the steps? Thanks! Edit: It doesn’t have to be a ‘screenshot’ I guess, just as long as we can get all of the rendered pixels […]
I’m getting this AudioTrack warning AUDIO_OUTPUT_FLAG_FAST denied by client in my Android app for a button I’m subclassing. I can hear a click when tapping on the button so is this anything to worry about? Note: I’m not getting the mismatching sample rate message as in this question: AudioTrack: AUDIO_OUTPUT_FLAG_FAST denied by client due to […]
The Android MediaRecorder has a function .getMaxAmplitude(); which, as the API tells me, “Returns the maximum absolute amplitude that was sampled since the last call to this method.” but I can’t find what amplitude this is? Is it in pascal or watts? I have found on several pages on the web that you can calculate […]
According to the documentation GooglePlayServicesUtil.isGooglePlayServicesAvailable returns SERVICE_VERSION_UPDATE_REQUIRED when “The installed version of Google Play services is out of date”. Does this mean that there is a new version of google play services in the play store? Does this mean that the app needs a newer version than the one that is currently installed in the […]
I have 3 AsyncTasks and 1 ProgressBar. I want when any of task executes, the progress bar is visible and when all of them finish, the progress bar is invisible. In Java, there is ExecutorService::isTerminated to check if all runables finished but Android doesn’t. Update: 3 tasks execute at the same time. Figure.
Does anybody know how to get this to work? The closest I got was the code below, but got no success. At first, it gives you some hope when it tells you need the SEND_SMS permission. But after you setup this permission, nothing happens! uses Androidapi.JNI.JavaTypes; procedure TForm1.Button1Click(Sender: TObject); var smsManager: JSmsManager; smsTo, smsFrom: JString; […]
Where in onStart(), onStop(), onDestroy() of an activity do I call super.onStart(), super.onStop(), super.onDestroy() ?