Sometimes, you just want to test application in release version without formal signature.
You can modify build.gradle.
buildTypes {
release {
signingConfig android.signingConfigs.debug
}
}
Android - Use Fake Signature to Build Release Application Version via Gradle
Android - Warning:Conflict with dependency 'com.android.support:support-annotations'.
We use gradle to import libraries. And it will cause dependency problem.
Gradle build error message:
Warning:Conflict with dependency 'com.android.support:support-annotations'. Resolved versions for app (20.0.0) and test app (22.0.0) differ.
Solution:
Add below configure in build.gradle file.
allprojects {
...
configurations.all {
resolutionStrategy.force 'com.android.support:support-annotations:23.0.0'
}
...
}
Reference:http://code.google.com/p/android-test-kit/issues/detail?id=136
Reference:https://github.com/googlesamples/android-testing/issues/22
Android - finished with non-zero exit value 3
Gradle build error message:
When your Android project contains too many class, Android Studio will throw non-zero exit value 3 during dex apk period.
Error:org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.7.0_67\bin\java.exe'' finished with non-zero exit value 3
Solution:
Add below configure in build.gradle file.
dexOptions {
javaMaxHeapSize "4g"
}
Android - Volley Build Failed in Android SDK 23
Apache HTTP Client Removal start from Android SDK 23. So we have to add they back manually.
The org.apache.http.legacy.jar is in Android/sdk/platforms/android-23/optional and copy it to your Android project. For exmple, libs folder.
1. Modified build.gradle file with below changes.
dependency {
compile project('libs/org.apache.http.legacy.jar')
}
or
android {
useLibrary 'org.apache.http.legacy'
}
2. Modified proguard files.
Warning:library class org.apache.http.conn.scheme.LayeredSocketFactory extends or implements program class org.apache.http.conn.scheme.SocketFactory
Warning:library class android.webkit.WebView depends on program class android.net.http.SslCertificate
Warning:library class android.webkit.WebViewClient depends on program class android.net.http.SslError
Warning:library class org.apache.http.params.HttpConnectionParams depends on program class org.apache.http.params.HttpParams
-keep class org.apache.http.** { *; }
-dontwarn org.apache.http.**
-dontwarn android.net.**
Reference:https://github.com/mcxiaoke/android-volley/issues/92
Reference:http://developer.android.com/preview/behavior-changes.html#behavior-apache-http-client
Linux - Install Gradle in CentOS 7
Step 1. Download and Install Gradle.
# cd /opt
# sudo wget https://services.gradle.org/distributions/gradle-3.1-bin.zip
# sudo unzip gradle-3.1-bin.zip
# sudo ln -s gradle-3.1 gradle
Step 2. Set Gradle Environment Value.
# sudo vim /etc/profile.d/gradle-env.sh
export GRADLE_HOME=/opt/gradle
export PATH=$PATH:$GRADLE_HOME/bin
# sudo source /etc/profile.d/gradle-env.sh
