Could not find or load main class org.gradle.wrapper.GradleWrapperMain

Your gradle wrapper is missing, broken or corrupted. What is gradle wrapper:gradlew is the gradle wrapper executable – batch script on windows and shell script elsewhere. The wrapper script when invoked, downloads the defined gradle version and executes it. By distributing the wrapper with your project, anyone can work with it without needing to install Gradle … Read more

Android Emulator Error Message: “PANIC: Missing emulator engine program for ‘x86’ CPUS.”

If you are using macOS, add both Android SDK emulator and tools directories to the path: Step 1: In my case the order was important, first emulator and then tools. Step 2: Reload you .bash_profile Or .bashrc depending on OS Step 3: Get list of emulators available: $emulator -list-avds Step 4: Launch emulator from the command line and Replace avd with the name of your emulator $emulator @avd Don’t forget to add the @ symbol. This … Read more

Android ADB device offline, can’t issue commands

I just got the same problem today after my Nexus 7 and Galaxy Nexus were updated to Android 4.2.2. The thing that fixed it for me was to upgrade the SDK platform-tools to r16.0.1. For me, this version was not displayed in my SDK Manager, so I pulled it down from http://dl.google.com/android/repository/platform-tools_r16.0.1-windows.zip directly. You then need to rename the platform-tools directory and unzip … Read more

Is there an equivalent to iOS’s Keychain for user credentials on Android?

Is there an equivalent to iOS’s Keychain on Android? My understanding of the Preferences API is that it is not encrypted. For my application it doesn’t matter whether these credentials are persisted across devices (i.e. a different use-case to iPhone-like Keychain in Android?) I also looked at the KeyStore API but it seems to leave the actual storage of user … Read more

SQLiteDatabase.query method

tableColumns null for all columns as in SELECT * FROM … new String[] { “column1”, “column2”, … } for specific columns as in SELECT column1, column2 FROM … – you can also put complex expressions here:new String[] { “(SELECT max(column1) FROM table1) AS max” } would give you a column named max holding the max value of column1 whereClause the part you put after WHERE without … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)