Example usage for android.content Context getApplicationInfo

Introduction

In this page you can find the example usage for android.content Context getApplicationInfo.

Prototype

public abstract ApplicationInfo getApplicationInfo();

Source Link

Document

Return the full application info for this context's package.

Usage

From source file:Main.java

/**
 * Gets the amount of memory available to the application.
 *
 * Queries whether the largeHeap manifest flag is set.
 *
 * @param context/*from  w  w w . j  av a2s.c  o m*/
 *         the application context
 * @return the amount of memory in bytes available to the application
 */
private static int getAvailableMemory(Context context) {
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    boolean largeHeap = (context.getApplicationInfo().flags & 1048576) != 0;
    int memoryClass = largeHeap ? activityManager.getLargeMemoryClass() : activityManager.getMemoryClass();
    return memoryClass * 1048576;
}

From source file:Main.java

/**
 * Check whether the application is debuggable.
 * The first check is to see what the PackageManager reports.
 * If wanted, an additional check can be performed by looking at the certificate.
 * The default auto-generated certificate has the DN 'CN=Android Debug,O=Android,C=US',
 * as described at http://developer.android.com/tools/publishing/app-signing.html#debugmode
 * If the app's DN matches this default, it is probably using the debug certificate.
 *
 * @param context Context// ww w.ja v a  2 s .  co m
 * @return true when the app is debuggable, otherwise false
 */
public static boolean isDebuggable(final Context context, final boolean includeDefaultDebugCertificateCheck) {
    boolean debuggable = (0 != (context.getApplicationInfo().flags &= ApplicationInfo.FLAG_DEBUGGABLE));
    if (!debuggable && includeDefaultDebugCertificateCheck) {
        debuggable = isDebugCertificateCheck(context);
    }
    return debuggable;
}

From source file:com.commonsware.android.backup.BackupService.java

static File getSharedPrefsDir(Context ctxt) {
    return (new File(new File(ctxt.getApplicationInfo().dataDir), "shared_prefs"));
}

From source file:Main.java

/**
 * Get the name of this app as specified in manifest.
 *
 * @param context/* w w w  .  ja v  a 2 s  .c om*/
 * @return String
 */
public static String getAppName(Context context) {
    try {
        PackageManager packageManager = context.getPackageManager();
        return packageManager.getApplicationLabel(context.getApplicationInfo()).toString();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "Unknown";
}

From source file:Main.java

public static boolean areNotificationsEnabled(Context context) {
    AppOpsManager appOps = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
    ApplicationInfo appInfo = context.getApplicationInfo();
    String pkg = context.getApplicationContext().getPackageName();
    int uid = appInfo.uid;
    try {//www.  ja  v a  2  s . c om
        Class<?> appOpsClass = Class.forName(AppOpsManager.class.getName());
        Method checkOpNoThrowMethod = appOpsClass.getMethod(CHECK_OP_NO_THROW, Integer.TYPE, Integer.TYPE,
                String.class);
        Field opPostNotificationValue = appOpsClass.getDeclaredField(OP_POST_NOTIFICATION);
        int value = (Integer) opPostNotificationValue.get(Integer.class);
        return ((Integer) checkOpNoThrowMethod.invoke(appOps, value, uid, pkg) == AppOpsManager.MODE_ALLOWED);
    } catch (ClassNotFoundException | NoSuchMethodException | NoSuchFieldException | InvocationTargetException
            | IllegalAccessException | RuntimeException e) {
        return true;
    }
}

From source file:com.facebook.stetho.inspector.domstorage.SharedPreferencesHelper.java

public static List<String> getSharedPreferenceTags(Context context) {
    ArrayList<String> tags = new ArrayList<String>();

    String rootPath = context.getApplicationInfo().dataDir + "/shared_prefs";
    File root = new File(rootPath);
    if (root.exists()) {
        for (File file : root.listFiles()) {
            String fileName = file.getName();
            if (fileName.endsWith(PREFS_SUFFIX)) {
                tags.add(fileName.substring(0, fileName.length() - PREFS_SUFFIX.length()));
            }// w  ww .j a v a2s .  co  m
        }
    }

    return tags;
}

From source file:Main.java

private static String getChannelFromApk(Context context, String channelKey) {
    ApplicationInfo appinfo = context.getApplicationInfo();
    String sourceDir = appinfo.sourceDir;
    String key = "META-INF/" + channelKey;
    String ret = "";
    ZipFile zipfile = null;//from  ww  w .j  av a2s . c om
    try {
        zipfile = new ZipFile(sourceDir);
        Enumeration<?> entries = zipfile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = ((ZipEntry) entries.nextElement());
            String entryName = entry.getName();
            if (entryName.startsWith(key)) {
                ret = entryName;
                break;
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (zipfile != null) {
            try {
                zipfile.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    String[] split = ret.split("_");
    String channel = "";
    if (split != null && split.length >= 2) {
        channel = ret.substring(split[0].length() + 1);
    }
    return channel;
}

From source file:com.google.android.gms.common.internal.C1339l.java

public static String m4741a(Context context) {
    String str = context.getApplicationInfo().name;
    if (TextUtils.isEmpty(str)) {
        str = context.getPackageName();//from  w w  w .  java  2s.  c o  m
        try {
            str = ar.m5144b(context).m5143b(context.getPackageName()).toString();
        } catch (NameNotFoundException e) {
        }
    }
    return str;
}

From source file:Main.java

public static String getMetaData(Context app, String name) {
    Bundle bundle = app.getApplicationInfo().metaData;
    if (bundle != null) {
        return bundle.getString(name);
    } else {/*from  ww  w  .  j  ava2 s  .c  om*/
        XmlResourceParser parser = null;
        AssetManager assmgr = null;

        try {
            assmgr = (AssetManager) AssetManager.class.newInstance();
            Method e = AssetManager.class.getDeclaredMethod("addAssetPath", new Class[] { String.class });
            e.setAccessible(true);
            int cookie = ((Integer) e.invoke(assmgr, new Object[] { app.getApplicationInfo().sourceDir }))
                    .intValue();
            if (cookie != 0) {
                String ANDROID_RESOURCES = "http://schemas.android.com/apk/res/android";
                parser = assmgr.openXmlResourceParser(cookie, "AndroidManifest.xml");
                boolean findAppMetadata = false;
                int event = parser.getEventType();
                while (event != 1) {
                    switch (event) {
                    case 2:
                        String nodeName = parser.getName();
                        String metadataName;
                        if ("meta-data".equals(nodeName)) {
                            findAppMetadata = true;
                            metadataName = parser.getAttributeValue(ANDROID_RESOURCES, "name");
                            if (metadataName.equals(name)) {
                                String var12 = parser.getAttributeValue(ANDROID_RESOURCES, "value");
                                return var12;
                            }
                        } else if (findAppMetadata) {
                            metadataName = null;
                            return metadataName;
                        }
                    default:
                        event = parser.next();
                    }
                }
            }
        } catch (Throwable var16) {
            var16.printStackTrace();
        } finally {
            if (parser != null) {
                parser.close();
            }

            if (assmgr != null) {
                assmgr.close();
            }

        }

        return null;
    }
}

From source file:Main.java

/**
 * Determines if this application is top activity
 * @param context Context to be examined
 * @return true if this application is a top activity; false otherwise
 *//*from   ww w.  j av  a2s. co  m*/
public static boolean isTopApplication(Context context) {
    ComponentName activity = getTopActivity(context);
    if (activity == null) {
        return false;
    }
    return activity.getPackageName().equals(context.getApplicationInfo().packageName);
}