图片上传(一)
应用场景：上传图片或拍照上传
实际情况根据个人情况更改。
上代码：
MainActivity:
package com.example.one2012;
import java.util.HashMap;
import java.util.Map;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.example.one2012.UploadUtil.OnUploadProcessListener;
public class MainActivity extends Activity implements OnClickListener,
OnUploadProcessListener {
private static final String TAG = "uploadImage";
/**
* 去上传文件
*/
protected static final int TO_UPLOAD_FILE = 1;
/**
* 上传文件响应
*/
protected static final int UPLOAD_FILE_DONE = 2; //
/**
* 选择文件
*/
public static final int TO_SELECT_PHOTO = 3;
/**
* 上传初始化
*/
private static final int UPLOAD_INIT_PROCESS = 4;
/**
* 上传中
*/
private static final int UPLOAD_IN_PROCESS = 5;
/***
* 这里的这个URL是我服务器的javaEE环境URL
*/
private static String requestURL = "http://192.168.10.160:8080/fileUpload/p/file!upload";
private Button selectButton, uploadButton;
private ImageView imageView;
private TextView uploadImageResult;
private ProgressBar progressBar;
private String picPath = null;
private ProgressDialog progressDialog;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
}
/**
* 初始化数据
*/
private void initView() {
selectButton = (Button) this.findViewById(R.id.selectImage);
uploadButton = (Button) this.findViewById(R.id.uploadImage);
selectButton.setOnClickListener(this);
uploadButton.setOnClickListener(this);
imageView = (ImageView) this.findViewById(R.id.imageView);
uploadImageResult = (TextView) findViewById(R.id.uploadImageResult);
progressDialog = new ProgressDialog(this);
progressBar = (ProgressBar) findViewById(R.id.progressBar1);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.selectImage:
Intent intent = new Intent(this, SelectPicActivity.class);
startActivityForResult(intent, TO_SELECT_PHOTO);
break;
case R.id.uploadImage:
if (picPath != null) {
Log.v("获取到的图片路径是：：：", picPath);
handler.sendEmptyMessage(TO_UPLOAD_FILE);
} else {
Toast.makeText(this, "上传的文件路径出错", Toast.LENGTH_LONG).show();
}
break;
default:
break;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == Activity.RESULT_OK && requestCode == TO_SELECT_PHOTO) {
picPath = data.getStringExtra(SelectPicActivity.KEY_PHOTO_PATH);
Log.i(TAG, "最终选择的图片=" + picPath);
Bitmap bm = BitmapFactory.decodeFile(picPath);
imageView.setImageBitmap(bm);
}
super.onActivityResult(requestCode, resultCode, data);
}
/**
* 上传服务器响应回调
*/
@Override
public void onUploadDone(int responseCode, String message) {
progressDialog.dismiss();
Message msg = Message.obtain();
msg.what = UPLOAD_FILE_DONE;
msg.arg1 = responseCode;
msg.obj = message;
handler.sendMessage(msg);
}
private void toUploadFile() {
uploadImageResult.setText("正在上传中...");
progressDialog.setMessage("正在上传文件...");
progressDialog.show();
String fileKey = "pic";
UploadUtil uploadUtil = UploadUtil.getInstance();
uploadUtil.setOnUploadProcessListener(this); // 设置监听器监听上传状态
Map<String, String> params = new HashMap<String, String>();
params.put("orderId", "11111");
uploadUtil.uploadFile(picPath, fileKey, requestURL, params);
}
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case TO_UPLOAD_FILE:
toUploadFile();
break;
case UPLOAD_INIT_PROCESS:
progressBar.setMax(msg.arg1);
break;
case UPLOAD_IN_PROCESS:
progressBar.setProgress(msg.arg1);
break;
case UPLOAD_FILE_DONE:
String result = "响应码：" + msg.arg1 + "\n响应信息：" + msg.obj
+ "\n耗时：" + UploadUtil.getRequestTime() + "秒";
uploadImageResult.setText(result);
break;
default:
break;
}
super.handleMessage(msg);
}
};
@Override
public void onUploadProcess(int uploadSize) {
Message msg = Message.obtain();
msg.what = UPLOAD_IN_PROCESS;
msg.arg1 = uploadSize;
handler.sendMessage(msg);
}
@Override
public void initUpload(int fileSize) {
Message msg = Message.obtain();
msg.what = UPLOAD_INIT_PROCESS;
msg.arg1 = fileSize;
handler.sendMessage(msg);
}
}
========
selectpictureActivity:
package com.example.one2012;
import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Toast;
import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Toast;
/**
* @author spring sky<br>
说明：主要用于选择文件操作
*/
public class SelectPicActivity extends Activity implements OnClickListener {
/***
* 使用照相机拍照获取图片
*/
public static final int SELECT_PIC_BY_TACK_PHOTO = 1;
/***
* 使用相册中的图片
*/
public static final int SELECT_PIC_BY_PICK_PHOTO = 2;
/***
* 从Intent获取图片路径的KEY
*/
public static final String KEY_PHOTO_PATH = "photo_path";
private static final String TAG = "SelectPicActivity";
private LinearLayout dialogLayout;
private Button takePhotoBtn, pickPhotoBtn, cancelBtn;
/** 获取到的图片路径 */
private String picPath;
private Intent lastIntent;
private Uri photoUri;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.select_pic_layout);
initView();
}
/**
* 初始化加载View
*/
private void initView() {
dialogLayout = (LinearLayout) findViewById(R.id.dialog_layout);
dialogLayout.setOnClickListener(this);
takePhotoBtn = (Button) findViewById(R.id.btn_take_photo);
takePhotoBtn.setOnClickListener(this);
pickPhotoBtn = (Button) findViewById(R.id.btn_pick_photo);
pickPhotoBtn.setOnClickListener(this);
cancelBtn = (Button) findViewById(R.id.btn_cancel);
cancelBtn.setOnClickListener(this);
lastIntent = getIntent();
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.dialog_layout:
finish();
break;
case R.id.btn_take_photo:
takePhoto();
break;
case R.id.btn_pick_photo:
pickPhoto();
break;
default:
finish();
break;
}
}
/**
* 拍照获取图片
*/
private void takePhoto() {
// 执行拍照前，应该先判断SD卡是否存在
String SDState = Environment.getExternalStorageState();
if (SDState.equals(Environment.MEDIA_MOUNTED)) {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);// "android.media.action.IMAGE_CAPTURE"
/***
* 需要说明一下，以下操作使用照相机拍照，拍照后的图片会存放在相册中的 这里使用的这种方式有一个好处就是获取的图片是拍照后的原图
* 如果不实用ContentValues存放照片路径的话，拍照后获取的图片为缩略图不清晰
*/
ContentValues values = new ContentValues();
photoUri = this.getContentResolver().insert(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
intent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, photoUri);
/** ----------------- */
startActivityForResult(intent, SELECT_PIC_BY_TACK_PHOTO);
} else {
Toast.makeText(this, "内存卡不存在", Toast.LENGTH_LONG).show();
}
}
/***
* 从相册中取图片
*/
private void pickPhoto() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intent, SELECT_PIC_BY_PICK_PHOTO);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
finish();
return super.onTouchEvent(event);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == Activity.RESULT_OK) {
doPhoto(requestCode, data);
}
super.onActivityResult(requestCode, resultCode, data);
}
/**
* 选择图片后，获取图片的路径
*
* @param requestCode
* @param data
*/
private void doPhoto(int requestCode, Intent data) {
if (requestCode == SELECT_PIC_BY_PICK_PHOTO) // 从相册取图片，有些手机有异常情况，请注意
{
if (data == null) {
Toast.makeText(this, "选择图片文件出错", Toast.LENGTH_LONG).show();
return;
}
photoUri = data.getData();
if (photoUri == null) {
Toast.makeText(this, "选择图片文件出错", Toast.LENGTH_LONG).show();
return;
}
}
String[] pojo = { MediaStore.Images.Media.DATA };
Cursor cursor = managedQuery(photoUri, pojo, null, null, null);
if (cursor != null) {
int columnIndex = cursor.getColumnIndexOrThrow(pojo[0]);
cursor.moveToFirst();
picPath = cursor.getString(columnIndex);
cursor.close();
}
Log.i(TAG, "imagePath = " + picPath);
if (picPath != null
&& (picPath.endsWith(".png") || picPath.endsWith(".PNG")
|| picPath.endsWith(".jpg") || picPath.endsWith(".JPG"))) {
lastIntent.putExtra(KEY_PHOTO_PATH, picPath);
setResult(Activity.RESULT_OK, lastIntent);
finish();
} else {
Toast.makeText(this, "选择图片文件不正确", Toast.LENGTH_LONG).show();
}
}
}
============
xml文件以及uploadUtil在demo里面，另外注意权限问题哈，
完整代码见：
csdn明天上传
http://download.csdn.net/detail/onebelowzero2012/9379701
