ColinTreeGoHome.java

package cn.colintree.aix.ColinTreeGoHome;

import android.content.Context;
import android.util.Log;
import com.google.appinventor.components.annotations.*;
import com.google.appinventor.components.common.*;
import com.google.appinventor.components.runtime.*;
import com.google.appinventor.components.runtime.util.*;

import android.app.Activity;
import android.content.Intent;

@DesignerComponent(version = ColinTreeGoHome.VERSION,
    description = "by ColinTree at http://aix.colintree.cn",
    category = ComponentCategory.EXTENSION,
    nonVisible = true,
    iconName = "images/extension.png")

@SimpleObject(external = true)

public class ColinTreeGoHome extends AndroidNonvisibleComponent
implements Component {
    public static final int VERSION = 1;
    private ComponentContainer container;
    private Context context;
    private static final String LOG_TAG = "ColinTreeGoHome";
    public ColinTreeGoHome(ComponentContainer container) {
        super(container.$form());
        this.container = container;
        context = (Context) container.$context();
        Log.d(LOG_TAG, "ColinTreeGoHome Created" );
    }
    
    @SimpleFunction(description = "Go to Home page (desktop) of the phone")
    public void GoHome() {
    	Intent home = new Intent(Intent.ACTION_MAIN);
        home.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        home.addCategory(Intent.CATEGORY_HOME);
        context.startActivity(home);
    }
}