android 快速实现 图片获取并裁剪（更换头像）

1.获取图片框架：https://github.com/LuckSiege/PictureSelector

2.图片裁剪框架：https://github.com/jdamcd/android-crop

3.Glide图片加载框架：https://github.com/bumptech/glide

2.build.gradle依赖：

dependencies {// PictureSelector basic (Necessary)implementation 'io.github.lucksiege:pictureselector:v3.11.2'// image compress library (Not necessary)implementation 'io.github.lucksiege:compress:v3.11.2'// uCrop library (Not necessary)(图片裁剪框架，不支持横屏)//implementation 'io.github.lucksiege:ucrop:v3.11.2'//android-crop 图片裁剪框架，支持横屏implementation 'com.soundcloud.android:android-crop:1.0.1@aar'// simple camerax library (Not necessary)implementation 'io.github.lucksiege:camerax:v3.11.2'//Glideimplementation 'com.github.bumptech.glide:glide:4.16.0'annotationProcessor 'com.github.bumptech.glide:compiler:4.16.0'
}

2.Activity 设置：

/*** 获取本地图片或拍照* @param ivBigCover*/private void pickerImage(ImageView ivBigCover) {PictureSelector.create(this).openGallery(SelectMimeType.ofImage()).setImageEngine(new GlideEngine()).setMaxSelectNum(1).setCropEngine(new CropFileEngine() {@Overridepublic void onStartCrop(Fragment fragment, Uri srcUri, Uri destinationUri, ArrayList<String> dataSource, int requestCode) {//android-crop图片裁剪Crop.of(srcUri, destinationUri).asSquare().start(fragment.getContext(), fragment, requestCode);}}).forResult(new OnResultCallbackListener<LocalMedia>() {@Overridepublic void onResult(ArrayList<LocalMedia> result) {Log.i(TAG, "onResult=" + result);if (result != null && result.get(0).getCutPath() != null) {ivBigCover.setImageURI(Uri.parse(result.get(0).getCutPath()));Log.i(TAG, "onResult=" + result.get(0).getCutPath());}}@Overridepublic void onCancel() {Log.i(TAG, "onCancel=");}});}

3.GlideEngine:

package com.example.mygtest;import android.content.Context;
import android.widget.ImageView;import com.bumptech.glide.Glide;
import com.luck.picture.lib.engine.ImageEngine;
import com.luck.picture.lib.utils.ActivityCompatHelper;/*** @author：luck* @date：2019-11-13 17:02* @describe：Glide加载引擎*/
public class GlideEngine implements ImageEngine {/*** 加载图片** @param context   上下文* @param url       资源url* @param imageView 图片承载控件*/@Overridepublic void loadImage(Context context, String url, ImageView imageView) {if (!ActivityCompatHelper.assertValidRequest(context)) {return;}Glide.with(context).load(url).into(imageView);}@Overridepublic void loadImage(Context context, ImageView imageView, String url, int maxWidth, int maxHeight) {if (!ActivityCompatHelper.assertValidRequest(context)) {return;}Glide.with(context).load(url)//.override(maxWidth, maxHeight).into(imageView);}/*** 加载相册目录封面** @param context   上下文* @param url       图片路径* @param imageView 承载图片ImageView*/@Overridepublic void loadAlbumCover(Context context, String url, ImageView imageView) {if (!ActivityCompatHelper.assertValidRequest(context)) {return;}Glide.with(context).asBitmap().load(url)//.override(180, 180)//.sizeMultiplier(0.5f)//.transform(new CenterCrop(), new RoundedCorners(8))//.placeholder(R.mipmap.ic_launcher).into(imageView);}/*** 加载图片列表图片** @param context   上下文* @param url       图片路径* @param imageView 承载图片ImageView*/@Overridepublic void loadGridImage(Context context, String url, ImageView imageView) {if (!ActivityCompatHelper.assertValidRequest(context)) {return;}Glide.with(context).load(url)
//                .override(200, 200)
//                .centerCrop()
//                .placeholder(R.mipmap.ic_launcher).into(imageView);}@Overridepublic void pauseRequests(Context context) {if (!ActivityCompatHelper.assertValidRequest(context)) {return;}Glide.with(context).pauseRequests();}@Overridepublic void resumeRequests(Context context) {if (!ActivityCompatHelper.assertValidRequest(context)) {return;}Glide.with(context).resumeRequests();}private static final class InstanceHolder {static final GlideEngine instance = new GlideEngine();}public static GlideEngine createGlideEngine() {return InstanceHolder.instance;}
}