新增判断文件是否损坏过滤

Author: duyu

library/src/main/java/com/rain/library/loader/MediaStoreHelper.java

@@ -4,6 +4,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.database.Cursor;
+import android.graphics.BitmapFactory;
 import android.os.Bundle;
 import android.provider.MediaStore;
 import android.support.v4.app.LoaderManager;
@@ -13,7 +14,9 @@
 import com.rain.library.bean.MediaData;
 import com.rain.library.bean.MediaDirectory;
 import com.rain.library.data.Data;
+import com.rain.library.utils.ExternalStorage;
 import com.rain.library.utils.MimeType;
+import com.rain.library.utils.Rlog;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -104,6 +107,10 @@ public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
                 String media_directoryPath = media_path.substring(0, media_path.lastIndexOf(File.separator));
 
                 long media_duration = MimeType.isVideo(media_type) ? MimeType.getVideoDuration(media_path) : 0;
+
+                //判断文件是否损坏
+                boolean isDamage = ExternalStorage.getInstance().checkImageIsDamage(media_width, media_path);
+                if (isDamage) continue;
                 MediaData mediaData = getMediaData(media_id, media_path, media_size, media_duration, mineType, media_type, media_width, media_height);
                 MediaDirectory mediaDirectory = new MediaDirectory();
                 mediaDirectory.setId(media_dirId);

library/src/main/java/com/rain/library/utils/ExternalStorage.java

@@ -3,6 +3,7 @@
 import android.Manifest;
 import android.content.Context;
 import android.content.pm.PackageManager;
+import android.graphics.BitmapFactory;
 import android.os.Environment;
 import android.os.StatFs;
 import android.text.TextUtils;
@@ -185,4 +186,27 @@ public boolean checkStorageValid() {
         }
         return hasPermission;
     }
+
+    /**
+     * 判断文件是否损坏
+     *
+     * @param width
+     * @param media_path
+     * @return
+     */
+    public boolean checkImageIsDamage(int width, String media_path) {
+        if (width == 0) {
+            BitmapFactory.Options options = null;
+            if (options == null) options = new BitmapFactory.Options();
+            options.inJustDecodeBounds = true;
+            BitmapFactory.decodeFile(media_path, options); //filePath代表图片路径
+            if (options.mCancel || options.outWidth == -1 || options.outHeight == -1) {
+                //表示图片已损毁
+                Rlog.e("表示图片已损毁");
+                return true;
+            }
+
+        }
+        return false;
+    }
 }