Month: November 2018

Always Creating Unsigned Release APK React Native Error Fix

This is an Android-specific React Native issue. You might be followed all things given in the official docs to generate signed APK but you get only app-release-unsigned.apk in \android\app\build\outputs\apk\release directory. Well, the issue is not with your keystore either. You just need to add a line in app/build.gradle file as given below: buildTypes { release { … …

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aapt: error: resource android:attr/colorerror not found. React Native Error Fix

Last Updated on November 2, 2018. You can come across aapt: error: resource android:attr/colorerror not found. error while building your react native Android app or while generating APK file from your React Native project. This issue occurs when third-party libraries use compileSdkVersion and buildToolsVersion less than 26. You can solve this react native issue by forcing sub-projects to use SDK version …

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How to Check Internet Connectivity in React Native (Android and iOS)

Last Updated on November 2, 2018. Most of the mobile apps in the market use internet to provide services. Hence listening to internet connectivity changes is very important to make the user aware about the situation. In react native NetInfo api is used to test whether the Internet is connected or not. Checking internet connectivity …

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Could not find support-core-utils.jar (com.android.support:support-core-utils:27.1.1) Error Fix

If you are developing Android apps with react native then you may face this react native issue > Could not find support-core-utils.jar (com.android.support:support-core-utils:27.1.1). Searched in the following locations: https://jcenter.bintray.com/com/android/support/support-core-utils/27.1.1/support-core-utils-27.1.1.jar This react native issue occurs when you use third-party libraries such as react-native-admob. This Android specific issue can be solved quickly. Open android>build.gradle file and make the google() …

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How to Make the App Quit When Hardware Back Button is pressed in React Native (Android)

Last Updated on December 11, 2020. Update: Please check out my latest blog post on Android BackHandler here. Unlike in iOS devices, Android devices have hardware back button which is used to navigate through previous screens. Sometimes, you may need to make the app quit when the back button is pressed. BackHandler is the api used …

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