1. Download and install Eclipse Classic 3.7.2
Note: I will not go into details about downloading JDK and Android SDK. If you have any questions, you can ask me
2. Install Android ADT Plugin
Installation address: https://dl-ssl.google.com/android/eclipse/
3. Install Scala IDE
Installation address: http://download.scala-ide.org/releases-29/milestone/site/
4. Install AndroidProguardScala
Installation address: https://androidproguardscala.s3.amazonaws.com/UpdateSiteForAndroidProguardScala
5. Create Android Project
6、Add Scala Nature
Right-click on the android project, Configure->Add Scala Nature
7、Add AndroidProguardScala Nature
Right-click on the android project, Add AndroidProguardScala Nature
8. Adjust the Java Build Path order (important)
Note that the two scala libs are moved to the top of Android
9. Replace Java's Activity class with scala's Activity class
package org.noahx.scalaandroid
import android.app.Activity
import android.os.Bundle
import android.widget.Button
import android.widget.TextView
import android.view.View
class ScalaAndroidActivity extends Activity {
override protected def onCreate(savedInstanceState: Bundle) = {
super.onCreate (savedInstanceState)
setContentView(R.layout.main)
val text = findViewById(R.id.text1).asInstanceOf[TextView]
val button = findViewById(R.id.button1).asInstanceOf[Button]
button.setOnClickListener(new View.OnClickListener() {
def onClick(v: View) = {
text.setText("hello scala!!!")
}
})
}
}
Note: After modifying the layout, clean the project
10. Operation effect
