blob: 3345ff18e659669b0ed36c241c2c7345efa86185 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
package cgeo.geocaching.utils;
import cgeo.geocaching.cgeoapplication;
import org.apache.commons.collections.CollectionUtils;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import java.util.List;
public final class ProcessUtils {
private ProcessUtils() {
// utility class
}
/**
* Preferred method to detect the availability of an external app
*
* @param packageName
* @return
*/
public static boolean isLaunchable(final String packageName) {
return getLaunchIntent(packageName) != null;
}
/**
* Checks whether a launch intent is available or if the package is just installed
* This function is relatively costly, so if you know that the package in question has
* a launch intent, use isLaunchable() instead.
*
* @param packageName
* @return
*/
public static boolean isInstalled(final String packageName) {
return isLaunchable(packageName) || hasPackageInstalled(packageName);
}
/**
* This will find installed applications even without launch intent (e.g. the streetview plugin).
*/
private static boolean hasPackageInstalled(final String packageName) {
final List<PackageInfo> packs = cgeoapplication.getInstance().getPackageManager().getInstalledPackages(0);
for (final PackageInfo packageInfo : packs) {
if (packageName.equals(packageInfo.packageName)) {
return true;
}
}
return false;
}
/**
* This will find applications, which can be launched.
*/
public static Intent getLaunchIntent(final String packageName) {
if (packageName == null) {
return null;
}
final PackageManager packageManager = cgeoapplication.getInstance().getPackageManager();
try {
// This can throw an exception where the exception type is only defined on API Level > 3
// therefore surround with try-catch
return packageManager.getLaunchIntentForPackage(packageName);
} catch (final Exception e) {
return null;
}
}
public static boolean isIntentAvailable(final String intent) {
final PackageManager packageManager = cgeoapplication.getInstance().getPackageManager();
final List<ResolveInfo> list = packageManager.queryIntentActivities(
new Intent(intent), PackageManager.MATCH_DEFAULT_ONLY);
return CollectionUtils.isNotEmpty(list);
}
}
|
