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app/src/main/java/com/ckkj/water/utils/LubanCompressUtil.java

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+package com.ckkj.water.utils;
+
+
+import android.content.Context;
+import android.text.TextUtils;
+
+import java.io.File;
+
+import top.zibin.luban.CompressionPredicate;
+import top.zibin.luban.Luban;
+import top.zibin.luban.OnCompressListener;
+
+/**
+ * 鲁班压缩文件
+ */
+public class LubanCompressUtil {
+
+    private static LubanCompressUtil mInstance;
+    private Context mContext;
+
+    public static LubanCompressUtil getInstance() {
+        if (mInstance == null) {
+            if (mInstance == null) {
+                mInstance = new LubanCompressUtil();
+            }
+        }
+        return mInstance;
+    }
+
+    public interface CompressCallback{
+        void success(File file);
+        void fail(String failMsg);
+    }
+
+    public void getCompressFile(Context context,File oldFile,CompressCallback callback){
+        File compressFile = null;
+        Luban.with(context)
+                .load(oldFile) // 原始图片文件
+                .ignoreBy(100) // 忽略不压缩图片大小
+                .filter(new CompressionPredicate() {
+                    @Override
+                    public boolean apply(String path) {
+                        return !(TextUtils.isEmpty(path) || path.toLowerCase().endsWith(".gif"));
+                    }
+                })
+                .setCompressListener(new OnCompressListener() {
+                    @Override
+                    public void onStart() {
+                        // 压缩开始前调用
+                    }
+
+                    @Override
+                    public void onSuccess(File file) {
+                        // 压缩成功后调用
+                        if(callback!= null){
+                            callback.success(file);
+                        }
+                    }
+
+                    @Override
+                    public void onError(Throwable e) {
+                        // 当压缩过程出现问题时调用
+                    }
+                }).launch();
+    }
+
+}