I am getting started with Android development. I have followed this Getting Started guide and use Android Studio (not eclipse).
I ran Hello World on my device, so far so good. But..
Problem starts when adding this import: (as instructed by the guide)
import android.support.v4.app.NavUtils; // cannot resolve symbol 'support'
Seems its needed by this line (commenting it and auto-resolving the import didnt work)
NavUtils.navigateUpFromSameTask(this);
The support import is red underlined, mouseover tells me Cannot resolve symbol 'support'
Build wont work either ofcourse. I have seen answers to similar questions such as; suggesting clearing cache and retarting (tried that), suggesting running SDK Manager as Administrator and updating (tried that), and some other problems/solutions that seem eclipse specific.
I am new to Android development and the IDE. How about fixing this in Android Studio v0.2.9 ?
Edit:
Contents of my build.gradle file
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.5.+'
}
}
apply plugin: 'android'
repositories {
mavenCentral()
}
android {
compileSdkVersion 17
buildToolsVersion "17.0.0"
defaultConfig {
minSdkVersion 7
targetSdkVersion 16
}
}
dependencies {
// You must install or update the Support Repository through the SDK manager to use this dependency.
// The Support Repository (separate from the corresponding library) can be found in the Extras category.
// compile 'com.android.support:appcompat-v7:18.0.0'
}
Modify your gradle file like below and try if it works.
......
dependencies {
compile 'com.android.support:support-v4:18.0.0'
// You must install or update the Support Repository through the SDK manager to use this dependency.
// The Support Repository (separate from the corresponding library) can be found in the Extras category.
// compile 'com.android.support:appcompat-v7:18.0.0'
}
Fix in Android Studio using the GUI, without the direct editing of the Gradle files (validated for Android Studio starting v1.0.1 to v2.2.3):
Right-click your module in the project tree. It is one, in most cases the first, of the root nodes. By default, it is called app
.
In the menu choose Open Module Settings:
Switch to Dependencies tab.
Click the add button (+) at the bottom of the dialog window.
Choose Library Dependency.
Choose support-v4
from the list.
Click OK and rebuild.
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