android studio图片上传,android 拍照上传例子 （android studio 版）
【实例简介】
【实例截图】
【核心代码】
package cn.zhaoyb.test;
import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.Gravity;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import cn.zhaoyb.zcore.uploadimage.UploadManager;
import cn.zhaoyb.zcore.uploadimage.entity.SimpleUploadView;
public class MainActivity extends AppCompatActivity {
private MyUploadModel mUploadModel;
private SimpleUploadView mUploadView;
private TextView mUploadFileTip;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mUploadView = (SimpleUploadView) findViewById(R.id.upload_view_simple1);
mUploadFileTip = (TextView) findViewById(R.id.edit_text_simple1);
}
// 拍照得到照片路径
public void doCamera(View v) {
Intent it = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(it, 1);
}
// 本地选择图片
public void doFile(View v) {
Intent local = new Intent();
local.setType("image/*");
local.setAction(Intent.ACTION_PICK);
startActivityForResult(local, 2);
}
// 回传图片或图片路径
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode != Activity.RESULT_OK) return;
if (requestCode == 1) {
Bundle extras = data.getExtras();
Bitmap b = (Bitmap) extras.get("data");
// 设置显示的图片
mUploadView.getProgressImage().setImageBitmap(b);
String name = new SimpleDateFormat("yyyyMMddhhmmss").format(new Date());
String filePath = Environment.getExternalStorageDirectory().toString() File.separator "temp/image/" name ".jpg";
File myCaptureFile = new File(filePath);
try {
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
if (!myCaptureFile.getParentFile().exists()) {
myCaptureFile.getParentFile().mkdirs();
}
BufferedOutputStream bos;
bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));
b.compress(Bitmap.CompressFormat.JPEG, 80, bos);
bos.flush();
bos.close();
updatePic(filePath);
} else {
Toast toast = Toast.makeText(MainActivity.this, "保存失败，SD卡无效", Toast.LENGTH_SHORT);
toast.setGravity(Gravity.CENTER, 0, 0);
toast.show();
}
} catch (Exception e) {
}
} else {
try {
Cursor cursor = managedQuery(data.getData(), new String[]{MediaStore.Images.Media.DATA},
null, null, null);
int index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
//最后根据索引值获取图片路径
String filePath = cursor.getString(index);
if (TextUtils.isEmpty(filePath)) return;
updatePic(filePath);
} catch (Exception e) {
}
}
}
/**
* 生成上传实体类并且绑定视图
* @param picPath
*/
private void updatePic(String picPath) {
if (mUploadModel == null) {
mUploadModel = new MyUploadModel();
}
// 添加额外的上传参数
mUploadModel.setUploadParams(getUploadParams());
// 显示选择的图片
mUploadFileTip.setText(picPath);
// 重新绑定新图片路径
mUploadModel.setLocalPath(picPath);
// 上传前会绑定显示视图
mUploadModel.bindUploadProgress(mUploadView);
}
public void doUpload(View v) {
UploadManager.getInstance().execute("http://up-z1.qiniu.com", mUploadModel);
}
/**
*
* 因为此处我使用了七牛云存储接收图片,因为需要拼装相应的请求参数
* 此处只是做了个模拟,随便输入一个token所以上传后,返回的数据是...Bad token
* @return
*/
private ContentValues getUploadParams() {
ContentValues uploadParams = new ContentValues();
uploadParams.put("token", "asdflkasjdlkfjalksdjflkajsdlkfjalksjdflkajsdljlasjefljlasdf");
return uploadParams;
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mUploadModel != null) {
mUploadModel.destory();
}
((App)getApplication()).exit();
}
}