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authorMichael W <baddaemon87@gmail.com>2016-12-09 01:19:14 +0100
committerZhao Wei Liew <zhaoweiliew@gmail.com>2017-02-19 01:58:59 +0000
commitb1be9e045727a16b1f95d7c3c14d5ca896825c50 (patch)
tree53cb4de9b53fc5a75a1bfff1d4500bac7ba213ab
parent595640e86ab51a121c5a473cb7e1989e44fd0177 (diff)
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cmsdk: utils: Introduce PackageManagerUtils class
Partially based off the PackageManagerHelper class in Launcher3. Change-Id: I0ed2ea210cb52ac4bd94c7bc5320c24e6d423279
-rw-r--r--sdk/src/java/org/cyanogenmod/internal/util/PackageManagerUtils.java117
1 files changed, 117 insertions, 0 deletions
diff --git a/sdk/src/java/org/cyanogenmod/internal/util/PackageManagerUtils.java b/sdk/src/java/org/cyanogenmod/internal/util/PackageManagerUtils.java
new file mode 100644
index 0000000..690fd48
--- /dev/null
+++ b/sdk/src/java/org/cyanogenmod/internal/util/PackageManagerUtils.java
@@ -0,0 +1,117 @@
+/**
+ * Copyright (C) 2016 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.cyanogenmod.internal.util;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+
+public final class PackageManagerUtils {
+ private static final int FLAG_SUSPENDED = 1 << 30;
+
+ private PackageManagerUtils() {
+ // This class is not supposed to be instantiated
+ }
+
+ /**
+ * Checks whether a given package exists
+ *
+ * @param context
+ * @param packageName
+ * @return true if the package exists
+ */
+ public static boolean isAppInstalled(final Context context, final String packageName) {
+ return getApplicationInfo(context, packageName, 0) != null;
+ }
+
+ /**
+ * Check whether a package with specific flags is enabled
+ *
+ * @param context
+ * @param packageName
+ * @param flags
+ * @return true if the package is enabled
+ */
+ public static boolean isAppEnabled(final Context context,
+ final String packageName, final int flags) {
+ final ApplicationInfo info = getApplicationInfo(context, packageName, flags);
+ return info != null && info.enabled;
+ }
+
+ /**
+ * Check whether a package is enabled
+ *
+ * @param context
+ * @param packageName
+ * @return true if the package is enabled
+ */
+ public static boolean isAppEnabled(final Context context, final String packageName) {
+ return isAppEnabled(context, packageName, 0);
+ }
+
+ /**
+ * Check if a package can possibly be on the SDCard
+ * This is just a workaround and doesn't guarantee that the app is on SD card
+ *
+ * @param context
+ * @param packageName
+ * @return true if the package is on the SDCard
+ */
+ public static boolean isAppOnSdcard(final Context context, final String packageName) {
+ return isAppEnabled(context, packageName, PackageManager.GET_UNINSTALLED_PACKAGES);
+ }
+
+ /**
+ * Check if a package is suspended
+ *
+ * @param context
+ * @param packageName
+ * @return true if the package is suspended
+ */
+ public static boolean isAppSuspended(final Context context, final String packageName) {
+ return isAppSuspended(getApplicationInfo(context, packageName, 0));
+ }
+
+ /**
+ * Check if a package is suspended
+ *
+ * @param info
+ * @return true if the package is suspended
+ */
+ public static boolean isAppSuspended(final ApplicationInfo info) {
+ return info != null && (info.flags & FLAG_SUSPENDED) != 0;
+ }
+
+ /**
+ * Get the ApplicationInfo of a package
+ *
+ * @param context
+ * @param packageName
+ * @param flags
+ * @return null if the package cannot be found or the ApplicationInfo is null
+ */
+ public static ApplicationInfo getApplicationInfo(final Context context,
+ final String packageName, final int flags) {
+ final PackageManager packageManager = context.getPackageManager();
+ ApplicationInfo info;
+ try {
+ info = packageManager.getApplicationInfo(packageName, flags);
+ } catch (PackageManager.NameNotFoundException e) {
+ info = null;
+ }
+ return info;
+ }
+}