79 lines
2.8 KiB
Java
79 lines
2.8 KiB
Java
package com.uiui.aios.utils;
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.content.Context;
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import android.os.Build;
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import android.util.Log;
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import android.widget.ImageView;
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import androidx.fragment.app.Fragment;
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import com.bumptech.glide.Glide;
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/**
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* Glide 加载 简单判空封装 防止异步加载数据时调用Glide 抛出异常
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* Created by Li_Xavier on 2017/6/20 0020.
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*/
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public class GlideLoadUtils {
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private String TAG = "ImageLoader";
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/**
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* 借助内部类 实现线程安全的单例模式
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* 属于懒汉式单例，因为Java机制规定，内部类SingletonHolder只有在getInstance()
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* 方法第一次调用的时候才会被加载（实现了lazy），而且其加载过程是线程安全的。
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* 内部类加载的时候实例化一次instance。
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*/
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public GlideLoadUtils() {
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}
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private static class GlideLoadUtilsHolder {
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private final static GlideLoadUtils INSTANCE = new GlideLoadUtils();
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}
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public static GlideLoadUtils getInstance() {
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return GlideLoadUtilsHolder.INSTANCE;
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}
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/**
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* Glide 加载 简单判空封装 防止异步加载数据时调用Glide 抛出异常
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*
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* @param context
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* @param url 加载图片的url地址 String
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* @param imageView 加载图片的ImageView 控件
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* @param default_image 图片展示错误的本地图片 id
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*/
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public void glideLoad(Context context, String url, ImageView imageView, int default_image) {
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if (context != null) {
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Glide.with(context).load(url).centerCrop().error(default_image).into(imageView);
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} else {
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Log.i(TAG, "Picture loading failed,context is null");
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}
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}
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@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
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public void glideLoad(Activity activity, String url, ImageView imageView, int default_image) {
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if (!activity.isDestroyed()) {
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Glide.with(activity).load(url).centerCrop().error(default_image).into(imageView);
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} else {
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Log.i(TAG, "Picture loading failed,activity is Destroyed");
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}
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}
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public void glideLoad(Fragment fragment, String url, ImageView imageView, int default_image) {
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if (fragment != null && fragment.getActivity() != null) {
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Glide.with(fragment).load(url).centerCrop().error(default_image).into(imageView);
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} else {
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Log.i(TAG, "Picture loading failed,fragment is null");
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}
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}
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public void glideLoad(android.app.Fragment fragment, String url, ImageView imageView, int default_image) {
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if (fragment != null && fragment.getActivity() != null) {
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Glide.with(fragment).load(url).centerCrop().error(default_image).into(imageView);
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} else {
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Log.i(TAG, "Picture loading failed,android.app.Fragment is null");
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}
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}
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}
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