AppUtils.java

/**
 * Copyright 2016 JustWayward Team
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 com.justwayward.reader.utils;

import android.content.Context;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.os.Handler;
import android.os.Looper;

public class AppUtils {

    private static Context mContext;
    private static Thread mUiThread;

    private static Handler sHandler = new Handler(Looper.getMainLooper());

    public static void init(Context context) {
        mContext = context;
        mUiThread = Thread.currentThread();
    }

    public static Context getAppContext() {
        return mContext;
    }

    public static AssetManager getAssets() {
        return mContext.getAssets();
    }

    public static Resources getResource() {
        return mContext.getResources();
    }

    public static boolean isUIThread() {
        return Thread.currentThread() == mUiThread;
    }

    public static void runOnUI(Runnable r) {
        sHandler.post(r);
    }

    public static void runOnUIDelayed(Runnable r, long delayMills) {
        sHandler.postDelayed(r, delayMills);
    }

    public static void removeRunnable(Runnable r) {
        if (r == null) {
            sHandler.removeCallbacksAndMessages(null);
        } else {
            sHandler.removeCallbacks(r);
        }
    }
}