CarbonForumApplication.java

package com.lincanbin.carbonforum.application;

import android.app.Activity;
import android.app.Application;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.widget.ImageView;

import com.bumptech.glide.Glide;
import com.lincanbin.carbonforum.R;
import com.mikepenz.iconics.IconicsDrawable;
import com.mikepenz.materialdrawer.util.AbstractDrawerImageLoader;
import com.mikepenz.materialdrawer.util.DrawerImageLoader;
import com.mikepenz.materialdrawer.util.DrawerUIUtils;

/**
 * Created by 灿斌 on 10/12/2015.
 */
public class CarbonForumApplication extends Application {

    public static SharedPreferences userInfo;
    public static SharedPreferences cacheSharedPreferences;

    public static Boolean isLoggedIn(){
        return Integer.parseInt(userInfo.getString("UserID", "0")) > 0;
    }

    @Override
    public void onCreate() {
        super.onCreate();
        userInfo = getApplicationContext().getSharedPreferences("UserInfo", Activity.MODE_PRIVATE);
        //获取缓存
        cacheSharedPreferences = getSharedPreferences("MainCache", Activity.MODE_PRIVATE);
        /*
        //initialize and create the image loader logic
        DrawerImageLoader.init(new AbstractDrawerImageLoader() {
            @Override
            public void set(ImageView imageView, Uri uri, Drawable placeholder) {
                Picasso.with(imageView.getContext()).load(uri).placeholder(placeholder).into(imageView);
            }
            @Override
            public void cancel(ImageView imageView) {
                Picasso.with(imageView.getContext()).cancelRequest(imageView);
            }
        });
        */

        //initialize and create the image loader logic
        DrawerImageLoader.init(new AbstractDrawerImageLoader() {
            @Override
            public void set(ImageView imageView, Uri uri, Drawable placeholder) {
                Glide.with(imageView.getContext()).load(uri).placeholder(placeholder).into(imageView);
            }

            @Override
            public void cancel(ImageView imageView) {
                Glide.clear(imageView);
            }

            @Override
            public Drawable placeholder(Context ctx, String tag) {
                //define different placeholders for different imageView targets
                //default tags are accessible via the DrawerImageLoader.Tags
                //custom ones can be checked via string. see the CustomUrlBasePrimaryDrawerItem LINE 111
                if (DrawerImageLoader.Tags.PROFILE.name().equals(tag)) {
                    return DrawerUIUtils.getPlaceHolder(ctx);
                } else if (DrawerImageLoader.Tags.ACCOUNT_HEADER.name().equals(tag)) {
                    return new IconicsDrawable(ctx).iconText(" ").backgroundColorRes(com.mikepenz.materialdrawer.R.color.primary).sizeDp(56);
                } else if ("customUrlItem".equals(tag)) {
                    return new IconicsDrawable(ctx).iconText(" ").backgroundColorRes(R.color.md_blue_500).sizeDp(56);
                }

                //we use the default one for
                //DrawerImageLoader.Tags.PROFILE_DRAWER_ITEM.name()

                return super.placeholder(ctx, tag);
            }
        });
    }
}