Glide加载图片并保存到本地返回file,bitmap

来源：互联网发布：java date sethour 编辑：程序博客网时间：2024/05/01 17:56

不废话，直接上代码

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import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import com.baguanv.jinba.utils.Const;
import com.bumptech.glide.Glide;
import com.bumptech.glide.request.target.Target;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
/**
* 图片下载
*
*/
public class DownLoadImageService implements Runnable {
private String url;
private Context context;
private ImageDownLoadCallBack callBack;
private File currentFile;
public DownLoadImageService(Context context, String url, ImageDownLoadCallBack callBack) {
this.url = url;
this.callBack = callBack;
this.context = context;
}
@Override
public void run() {
File file = null;
Bitmap bitmap = null;
try {
// file = Glide.with(context)
// .load(url)
// .downloadOnly(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
// .get();
bitmap = Glide.with(context)
.load(url)
.asBitmap()
.into(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
.get();
if (bitmap != null){
// 在这里执行图片保存方法
saveImageToGallery(context,bitmap);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
// if (file != null) {
// callBack.onDownLoadSuccess(file);
// } else {
// callBack.onDownLoadFailed();
// }
if (bitmap != null && currentFile.exists()) {
callBack.onDownLoadSuccess(bitmap);
} else {
callBack.onDownLoadFailed();
}
}
}
public void saveImageToGallery(Context context, Bitmap bmp) {
// 首先保存图片
String File file = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsoluteFile();//注意小米手机必须这样获得public绝对路径
String fileName = ”新建文件夹”;
File appDir = new File(file ,fileName);
if (!appDir.exists()) {
appDir.mkdirs();
}
String fileName = System.currentTimeMillis() + ”.jpg”;
currentFile = new File(appDir, fileName);
FileOutputStream fos = null;
try {
fos = new FileOutputStream(currentFile);
bmp.compress(Bitmap.CompressFormat.JPEG, 100, fos);
fos.flush();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (fos != null) {
fos.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
// 其次把文件插入到系统图库
// try {
// MediaStore.Images.Media.insertImage(context.getContentResolver(),
// currentFile.getAbsolutePath(), fileName, null);
// } catch (FileNotFoundException e) {
// e.printStackTrace();
// }
// 最后通知图库更新
context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,
Uri.fromFile(new File(currentFile.getPath()))));
}
}

import android.content.Context;import android.content.Intent;import android.graphics.Bitmap;import android.net.Uri;import com.baguanv.jinba.utils.Const;import com.bumptech.glide.Glide;import com.bumptech.glide.request.target.Target;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;/** * 图片下载 *  */public class DownLoadImageService implements Runnable {    private String url;    private Context context;    private ImageDownLoadCallBack callBack;    private File currentFile;    public DownLoadImageService(Context context, String url, ImageDownLoadCallBack callBack) {        this.url = url;        this.callBack = callBack;        this.context = context;    }    @Override    public void run() {        File file = null;        Bitmap bitmap = null;        try {//            file = Glide.with(context)//                    .load(url)//                    .downloadOnly(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)//                    .get();            bitmap = Glide.with(context)                    .load(url)                    .asBitmap()                    .into(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)                    .get();            if (bitmap != null){                // 在这里执行图片保存方法                saveImageToGallery(context,bitmap);            }        } catch (Exception e) {            e.printStackTrace();        } finally {//            if (file != null) {//                callBack.onDownLoadSuccess(file);//            } else {//                callBack.onDownLoadFailed();//            }            if (bitmap != null && currentFile.exists()) {                callBack.onDownLoadSuccess(bitmap);            } else {                callBack.onDownLoadFailed();            }        }    }    public void saveImageToGallery(Context context, Bitmap bmp) {        // 首先保存图片        String File file = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsoluteFile();//注意小米手机必须这样获得public绝对路径        String fileName = "新建文件夹";       File appDir = new File(file ,fileName);        if (!appDir.exists()) {            appDir.mkdirs();        }        String fileName = System.currentTimeMillis() + ".jpg";        currentFile = new File(appDir, fileName);        FileOutputStream fos = null;        try {            fos = new FileOutputStream(currentFile);            bmp.compress(Bitmap.CompressFormat.JPEG, 100, fos);            fos.flush();        } catch (FileNotFoundException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                if (fos != null) {                    fos.close();                }            } catch (IOException e) {                e.printStackTrace();            }        }        // 其次把文件插入到系统图库//        try {//            MediaStore.Images.Media.insertImage(context.getContentResolver(),//                    currentFile.getAbsolutePath(), fileName, null);//        } catch (FileNotFoundException e) {//            e.printStackTrace();//        }        // 最后通知图库更新        context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,                Uri.fromFile(new File(currentFile.getPath()))));    }}

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public interface ImageDownLoadCallBack {
void onDownLoadSuccess(File file);
void onDownLoadSuccess(Bitmap bitmap);
void onDownLoadFailed();
}

public interface ImageDownLoadCallBack {    void onDownLoadSuccess(File file);    void onDownLoadSuccess(Bitmap bitmap);    void onDownLoadFailed();}

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/**
* 启动图片下载线程
*/
private void onDownLoad(String url) {
DownLoadImageService service = new DownLoadImageService(getApplicationContext(),
url,
new ImageDownLoadCallBack() {
@Override
public void onDownLoadSuccess(File file) {
}
@Override
public void onDownLoadSuccess(Bitmap bitmap) {
// 在这里执行图片保存方法
Message message = new Message();
message.what = MSG_VISIBLE;
handler.sendMessageDelayed(message, delayTime);
}
@Override
public void onDownLoadFailed() {
// 图片保存失败
Message message = new Message();
message.what = MSG_ERROR;
handler.sendMessageDelayed(message, delayTime);
}
});
//启动图片下载线程
new Thread(service).start();
}

/**     * 启动图片下载线程     */    private void onDownLoad(String url) {        DownLoadImageService service = new DownLoadImageService(getApplicationContext(),                url,                new ImageDownLoadCallBack() {                    @Override                    public void onDownLoadSuccess(File file) {                    }                    @Override                    public void onDownLoadSuccess(Bitmap bitmap) {                        // 在这里执行图片保存方法                        Message message = new Message();                        message.what = MSG_VISIBLE;                        handler.sendMessageDelayed(message, delayTime);                    }                    @Override                    public void onDownLoadFailed() {                        // 图片保存失败                        Message message = new Message();                        message.what = MSG_ERROR;                        handler.sendMessageDelayed(message, delayTime);                    }                });        //启动图片下载线程        new Thread(service).start();    }

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