While I was developing small code for checking device information, after I edited our sample code downloaded from github and tried to compile app from command line as shown below, I encountered an error as [bash] $ ./gradlew clean build > Task :app:lint FAILED FAILURE: Build failed with an exception. * What went wrong: A … Read more
If you are working on Android application or AAR Library, you will be using applications context frequently for accessing android system API’s.While using those API’s which are dependent on Context, there are chances you may see an error like as below, System.err: java.lang.ClassCastException: android.app.ContextImpl cannot be cast to android.app.Activity Solution : When we encountered this … Read more
If you are trying to compile some already developed code available from github which was bit old and hasn’t been updated recently, there are chances you will see an error as below, “No toolchains found in the NDK toolchains folder for ABI with prefix: mips64el-linux-android” This error indicated that you are using some latest version … Read more
When we were compiling our app source code with “./gradlew clean build” we got following error, Error: Must be one of: RecyclerView.HORIZONTAL, RecyclerView.VERTICAL [WrongConstant] layoutMngr.orientation = androidx.recyclerview.widget.LinearLayoutManager.VERTICAL Solution to this compilation error is, open your source code and change LinearLayoutManager.VERTICAL to RecyclerView.VERTICAL So, the final source code should look like, layoutMngr.orientation = androidx.recyclerview.widget.RecyclerView.VERTICAL
As we seen in our previous post, “Pushing your first git repository / project to Github” we tried to push our local git to already existing git at github. While doing this, we had two different independent repositories with separate contents committed at local git and git at github. Now, when we tried to pull … Read more
Today I was working with git and for that I had created a “workspace” directory which contained some source files. During this activity I opened another terminal and deleted the workspace directory from second terminal, where as the first terminal, I forgot that, I was still inside that deleted “workspace” directory. When I tried to … Read more
If you have installed fresh Ubuntu on your development machine and tried to compile some opensource source code which uses “autoconf” for generating Makefile for compilation, its highly possible that you may see an error as below, [bash] /bin/bash: m4: command not found [/bash] what is m4 ? GNU ‘m4’ is an implementation of the … Read more
If you have ever seen an error like below, we have fixed this and got it resolved. The error and solution is like as below. Compilation Error error: package android.support.v7.app does not exist Or an error like appcompatactivity not resolved Solution Modify top level build.gradle file to add following lines: NOTE: Make sure you are … Read more
If you have ever seen an error like below, we have fixed this and got it resolved. The error and solution is like as below. Compilation Error Invoke-customs are only supported starting with android o (–min-api 26) Solution Modify top level build.gradle file to add following lines [bash] apply plugin: ‘com.android.application’ android { compileOptions { … Read more
If you have some code which was already complied using “./gradlew clean build” on the ubuntu command line and was using some old gradle version. Now, if you open the same code from Android Studio, and if the android studio have moved to some most recent version of gradle, it will ask for you to … Read more
