Today I’ve got the “Conversion to Dalvik format failed with error 1” error when make “Android Tools–>Export Unsigned Application Package” I have ADT 23.0.2 The problem was in the Proguard. To fix it you can disable Proguard in “project.properties” (Note that it is bad idea) or update Proguard. The Proguard Read more…
This issue I’ve got in one of my projects. I want to share it with you. There a lot of code. I try to describe the concept. I have Activity which have ViewPager ViewPager display Fragments each of them have Loader for data retrieving. I display data on fragment if Read more…
As you know Android Studio able to use .AAR (Android Archive Library) libraries in the projects. To use it in Eclipse you need just UNZIP this AAR library and get all JARs and Resources from this lib. Also it isn’t beautiful solution but it works for Eclipse. Please let me Read more…
For centering android:src in the ImageButton I use the next solution. First I need create 9-patch src image using next rules. Please look at the screenshot from draw9patch utility from Android SDK. Next you need add the 9-patch image into ImageButton like this: <ImageButton android:layout_width=”200dp” android:layout_height=”match_parent” android:scaleType=”fitXY” android:src=”@drawable/src_image” /> And Read more…
CMD+F12 – Jump to method ALT+ENTER – Quick fix ALT+F7 – Find usage CTRL+SPACE – Code completion CTRL+ALT+L – Reformat code ALT+SHIFT+up/down – Move line up/down Please let me know your favourite hotkeys. I’m awaiting comments from you 😉
Here is short tutorial how to create custom background for InfoWindow (balloon) on Google Maps V2 for Android. As you can see the InfoWindowAdapter have two methods : getInfoWindow() and getInfoContents(). To use default background for InfoWindows you need use getInfoContents(). And if you want to use custom background for Read more…
I had one problem when migrated to ADT-22. I’ve renamed “lib” dir to “libs” and project compiled. And when I run project on Android device the “java.lang.VerifyError” error crashes my app. In the LogCat I saw that some of classes were rejected by Verifier: “Verifier rejected class …..” And I Read more…
As you can see there existing setAlpha() method in API-11. Using this method you can change Alpha for View. What we gonna do in API-10 and lower to change View Alpha? I’ve got one solution. The solution is AlphaAnimation Please take a look my code: package com.hrupin.samples.alpha; import com.hrupin.samples.halfopacitywidgets.R; import Read more…
Today I want to change default Android SDK path in Android Studio. To change default path to Android SDK you need do the next steps. I describe it via screenshots. 1. Open Android Studio. 2. Configure Android Studio. 3. Click Project Defaults. 4. Cofigure Android SDK path. Click to enlarge. Read more…
Recent I’ve this bug on my project. This bug comes when app awake from sleep. I’ve spent a lot of time to fix it. And finally I got the solution. My project is Activity with Fragments. The error text is: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState at android.app.ActivityThread.performPauseActivity(ActivityThread.java:3113) Read more…