/config/src/com/google/marvin/config/Utils.java

 1package com.google.marvin.config;
 2
 3import android.content.Context;
 4import android.content.Intent;
 5import android.content.pm.PackageManager.NameNotFoundException;
 6import android.net.Uri;
 7
 8/**
 9 * A collection of commonly used utility functions.
10 * 
11 * @author clchen@google.com (Charles L. Chen)
12 */
13
14public class Utils {
15  public static boolean applicationInstalled(Context ctx, String packageName) {
16    try {
17      Context myContext = ctx.createPackageContext(packageName, 0);
18    } catch (NameNotFoundException e) {
19      return false;
20    }
21    return true;
22  }
23
24  public static Intent getMarketIntent(String packageName) {
25    Uri marketUri = Uri.parse("market://search?q=pname:" + packageName);
26    Intent marketIntent = new Intent(Intent.ACTION_VIEW, marketUri);
27    return marketIntent;
28  }
29
30  public static Intent getAppStartIntent(Context ctx, String packageName, String className) {
31    Intent intent = null;
32    try {
33      int flags = Context.CONTEXT_INCLUDE_CODE | Context.CONTEXT_IGNORE_SECURITY;
34      Context myContext = ctx.createPackageContext(packageName, flags);
35      Class<?> appClass = myContext.getClassLoader().loadClass(className);
36      intent = new Intent(myContext, appClass);
37      intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
38    } catch (NameNotFoundException e) {
39      // TODO Auto-generated catch block
40      e.printStackTrace();
41    } catch (ClassNotFoundException e) {
42      // TODO Auto-generated catch block
43      e.printStackTrace();
44    } 
45    return intent;
46  }
47}