Examples with ContextWrapper android.content.ContextWrapper used on opensource projects

Example 1 with ContextWrapper

use of android.content.ContextWrapper in project android_frameworks_base by ParanoidAndroid.

the class ConnectivityService method makeWimaxStateTracker.

/**
     * Loads external WiMAX library and registers as system service, returning a
     * {@link NetworkStateTracker} for WiMAX. Caller is still responsible for
     * invoking {@link NetworkStateTracker#startMonitoring(Context, Handler)}.
     */
private static NetworkStateTracker makeWimaxStateTracker(Context context, Handler trackerHandler) {
    // Initialize Wimax
    DexClassLoader wimaxClassLoader;
    Class wimaxStateTrackerClass = null;
    Class wimaxServiceClass = null;
    Class wimaxManagerClass;
    String wimaxJarLocation;
    String wimaxLibLocation;
    String wimaxManagerClassName;
    String wimaxServiceClassName;
    String wimaxStateTrackerClassName;
    NetworkStateTracker wimaxStateTracker = null;
    boolean isWimaxEnabled = context.getResources().getBoolean(com.android.internal.R.bool.config_wimaxEnabled);
    if (isWimaxEnabled) {
        try {
            wimaxJarLocation = context.getResources().getString(com.android.internal.R.string.config_wimaxServiceJarLocation);
            wimaxLibLocation = context.getResources().getString(com.android.internal.R.string.config_wimaxNativeLibLocation);
            wimaxManagerClassName = context.getResources().getString(com.android.internal.R.string.config_wimaxManagerClassname);
            wimaxServiceClassName = context.getResources().getString(com.android.internal.R.string.config_wimaxServiceClassname);
            wimaxStateTrackerClassName = context.getResources().getString(com.android.internal.R.string.config_wimaxStateTrackerClassname);
            if (DBG)
                log("wimaxJarLocation: " + wimaxJarLocation);
            wimaxClassLoader = new DexClassLoader(wimaxJarLocation, new ContextWrapper(context).getCacheDir().getAbsolutePath(), wimaxLibLocation, ClassLoader.getSystemClassLoader());
            try {
                wimaxManagerClass = wimaxClassLoader.loadClass(wimaxManagerClassName);
                wimaxStateTrackerClass = wimaxClassLoader.loadClass(wimaxStateTrackerClassName);
                wimaxServiceClass = wimaxClassLoader.loadClass(wimaxServiceClassName);
            } catch (ClassNotFoundException ex) {
                loge("Exception finding Wimax classes: " + ex.toString());
                return null;
            }
        } catch (Resources.NotFoundException ex) {
            loge("Wimax Resources does not exist!!! ");
            return null;
        }
        try {
            if (DBG)
                log("Starting Wimax Service... ");
            Constructor wmxStTrkrConst = wimaxStateTrackerClass.getConstructor(new Class[] { Context.class, Handler.class });
            wimaxStateTracker = (NetworkStateTracker) wmxStTrkrConst.newInstance(context, trackerHandler);
            Constructor wmxSrvConst = wimaxServiceClass.getDeclaredConstructor(new Class[] { Context.class, wimaxStateTrackerClass });
            wmxSrvConst.setAccessible(true);
            IBinder svcInvoker = (IBinder) wmxSrvConst.newInstance(context, wimaxStateTracker);
            wmxSrvConst.setAccessible(false);
            ServiceManager.addService(WimaxManagerConstants.WIMAX_SERVICE, svcInvoker);
        } catch (Exception ex) {
            loge("Exception creating Wimax classes: " + ex.toString());
            return null;
        }
    } else {
        loge("Wimax is not enabled or not added to the network attributes!!! ");
        return null;
    }
    return wimaxStateTracker;
}

Example 2 with ContextWrapper

use of android.content.ContextWrapper in project android_frameworks_base by ParanoidAndroid.

the class ActivityThread method handleConfigurationChanged.

final void handleConfigurationChanged(Configuration config, CompatibilityInfo compat) {
    int configDiff = 0;
    int diff = 0;
    synchronized (mPackages) {
        if (mPendingConfiguration != null) {
            if (!mPendingConfiguration.isOtherSeqNewer(config)) {
                config = mPendingConfiguration;
                mCurDefaultDisplayDpi = config.densityDpi;
                updateDefaultDensity();
            }
            mPendingConfiguration = null;
        }
        if (config == null) {
            return;
        }
        if (DEBUG_CONFIGURATION)
            Slog.v(TAG, "Handle configuration changed: " + config);
        diff = applyConfigurationToResourcesLocked(config, compat);
        if (mConfiguration == null) {
            mConfiguration = new Configuration();
        }
        if (!mConfiguration.isOtherSeqNewer(config) && compat == null) {
            return;
        }
        configDiff = mConfiguration.diff(config);
        mConfiguration.updateFrom(config);
        config = applyCompatConfiguration(mCurDefaultDisplayDpi);
    }
    ArrayList<ComponentCallbacks2> callbacks = collectComponentCallbacks(false, config);
    // Cleanup hardware accelerated stuff
    WindowManagerGlobal.getInstance().trimLocalMemory();
    freeTextLayoutCachesIfNeeded(configDiff);
    if (callbacks != null) {
        final int N = callbacks.size();
        for (int i = 0; i < N; i++) {
            ComponentCallbacks2 cb = callbacks.get(i);
            // cache, now we need to trigger an update for each application.
            if ((diff & ActivityInfo.CONFIG_THEME_RESOURCE) != 0) {
                if (cb instanceof ContextWrapper) {
                    Context context = ((ContextWrapper) cb).getBaseContext();
                    if (context instanceof ContextImpl) {
                        ((ContextImpl) context).refreshResourcesIfNecessary();
                    }
                }
            }
            performConfigurationChanged(cb, config);
        }
    }
}

Example 3 with ContextWrapper

use of android.content.ContextWrapper in project android_frameworks_base by ResurrectionRemix.

the class LockSettingsStorageTests method setUp.

@Override
protected void setUp() throws Exception {
    super.setUp();
    mStorageDir = new File(getContext().getFilesDir(), "locksettings");
    mDb = getContext().getDatabasePath("locksettings.db");
    assertTrue(mStorageDir.exists() || mStorageDir.mkdirs());
    assertTrue(FileUtils.deleteContents(mStorageDir));
    assertTrue(!mDb.exists() || mDb.delete());
    final Context ctx = getContext();
    setContext(new ContextWrapper(ctx) {

        @Override
        public Object getSystemService(String name) {
            if (USER_SERVICE.equals(name)) {
                return new UserManager(ctx, null) {

                    @Override
                    public UserInfo getProfileParent(int userHandle) {
                        if (userHandle == 2) {
                            // User 2 is a profile of user 1.
                            return new UserInfo(1, "name", 0);
                        }
                        if (userHandle == 3) {
                            // User 3 is a profile of user 0.
                            return new UserInfo(0, "name", 0);
                        }
                        return null;
                    }
                };
            }
            return super.getSystemService(name);
        }
    });
    mStorage = new LockSettingsStorage(getContext(), new LockSettingsStorage.Callback() {

        @Override
        public void initialize(SQLiteDatabase db) {
            mStorage.writeKeyValue(db, "initializedKey", "initialValue", 0);
        }
    }) {

        @Override
        String getLockPatternFilename(int userId) {
            return new File(mStorageDir, super.getLockPatternFilename(userId).replace('/', '-')).getAbsolutePath();
        }

        @Override
        String getLockPasswordFilename(int userId) {
            return new File(mStorageDir, super.getLockPasswordFilename(userId).replace('/', '-')).getAbsolutePath();
        }

        @Override
        String getChildProfileLockFile(int userId) {
            return new File(mStorageDir, super.getChildProfileLockFile(userId).replace('/', '-')).getAbsolutePath();
        }
    };
}

Example 4 with ContextWrapper

use of android.content.ContextWrapper in project android_frameworks_base by ResurrectionRemix.

the class Dialog method getAssociatedActivity.

/**
     * @return The activity associated with this dialog, or null if there is no associated activity.
     */
private ComponentName getAssociatedActivity() {
    Activity activity = mOwnerActivity;
    Context context = getContext();
    while (activity == null && context != null) {
        if (context instanceof Activity) {
            // found it!
            activity = (Activity) context;
        } else {
            context = (context instanceof ContextWrapper) ? // unwrap one level
            ((ContextWrapper) context).getBaseContext() : // done
            null;
        }
    }
    return activity == null ? null : activity.getComponentName();
}

Example 5 with ContextWrapper

use of android.content.ContextWrapper in project android_frameworks_base by DirtyUnicorns.

the class LockSettingsStorageTests method setUp.

@Override
protected void setUp() throws Exception {
    super.setUp();
    mStorageDir = new File(getContext().getFilesDir(), "locksettings");
    mDb = getContext().getDatabasePath("locksettings.db");
    assertTrue(mStorageDir.exists() || mStorageDir.mkdirs());
    assertTrue(FileUtils.deleteContents(mStorageDir));
    assertTrue(!mDb.exists() || mDb.delete());
    final Context ctx = getContext();
    setContext(new ContextWrapper(ctx) {

        @Override
        public Object getSystemService(String name) {
            if (USER_SERVICE.equals(name)) {
                return new UserManager(ctx, null) {

                    @Override
                    public UserInfo getProfileParent(int userHandle) {
                        if (userHandle == 2) {
                            // User 2 is a profile of user 1.
                            return new UserInfo(1, "name", 0);
                        }
                        if (userHandle == 3) {
                            // User 3 is a profile of user 0.
                            return new UserInfo(0, "name", 0);
                        }
                        return null;
                    }
                };
            }
            return super.getSystemService(name);
        }
    });
    mStorage = new LockSettingsStorage(getContext(), new LockSettingsStorage.Callback() {

        @Override
        public void initialize(SQLiteDatabase db) {
            mStorage.writeKeyValue(db, "initializedKey", "initialValue", 0);
        }
    }) {

        @Override
        String getLockPatternFilename(int userId) {
            return new File(mStorageDir, super.getLockPatternFilename(userId).replace('/', '-')).getAbsolutePath();
        }

        @Override
        String getLockPasswordFilename(int userId) {
            return new File(mStorageDir, super.getLockPasswordFilename(userId).replace('/', '-')).getAbsolutePath();
        }

        @Override
        String getChildProfileLockFile(int userId) {
            return new File(mStorageDir, super.getChildProfileLockFile(userId).replace('/', '-')).getAbsolutePath();
        }
    };
}