android照相及照片上传
转自:http://helloandroid.iteye.com/blog/1183437
- package com.android.cist.camera.view;
- import java.io.ByteArrayOutputStream;
- import java.io.InputStream;
- import java.util.HashMap;
- import java.util.Map;
- import android.app.Activity;
- import android.app.AlertDialog;
- import android.content.ContentResolver;
- import android.content.DialogInterface;
- import android.content.Intent;
- import android.graphics.Bitmap;
- import android.graphics.BitmapFactory;
- import android.net.Uri;
- import android.os.Bundle;
- import android.os.Handler;
- import android.os.Message;
- import android.view.View;
- import android.view.View.OnClickListener;
- import android.widget.Button;
- import android.widget.EditText;
- import android.widget.ImageView;
- import android.widget.LinearLayout;
- import android.widget.Toast;
- import com.android.cist.R;
- import com.android.cist.network.HttpUtil;
- import com.android.cist.network.form.FormFile;
- import com.android.cist.network.form.HttpFormUtil;
- import com.android.cist.util.ApplicationUtil;
- import com.android.cist.util.ImageUtil;
- public class CameraActivity extends Activity implements OnClickListener{
- private ImageView preview;
- private EditText carNo;
- private EditText addres;
- private EditText type;
- private Button back;
- private Button submit;
- private Button capture;
- private Button reCapture;
- private OnClickListener imgViewListener;
- private Bitmap myBitmap;
- private byte[] mContent;
- private Handler handler;
- String returnString;
- private CalendarView happenDate;
- private static final int REQUEST_CAMERA = 1;
- private static final int REQUEST_CALENDAR = 2;
- @ Override
- public void onCreate ( Bundle savedInstanceState )
- {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.camera);
- setUpViews();
- setUpListeners();
- ApplicationUtil.getInstance().addActivity(this);
- }
- @ Override
- protected void onActivityResult ( int requestCode , int resultCode , Intent data )
- {
- super.onActivityResult(requestCode, resultCode, data);
- ContentResolver resolver = getContentResolver();
- /**
- * 因为两种方式都用到了startActivityForResult方法,
- * 这个方法执行完后都会执行onActivityResult方法, 所以为了区别到底选择了那个方式获取图片要进行判断,
- * 这里的requestCode跟startActivityForResult里面第二个参数对应
- */
- if (requestCode == 0)
- {
- try
- {
- // 获得图片的uri
- Uri originalUri = data.getData();
- // 将图片内容解析成字节数组
- mContent = readStream(resolver.openInputStream(Uri.parse(originalUri.toString())));
- // 将字节数组转换为ImageView可调用的Bitmap对象
- myBitmap = getPicFromBytes(mContent, null);
- // //把得到的图片绑定在控件上显示
- preview.setImageBitmap(myBitmap);
- } catch ( Exception e )
- {
- System.out.println(e.getMessage());
- }
- } else if (requestCode == REQUEST_CAMERA){
- try
- {
- super.onActivityResult(requestCode, resultCode, data);
- Bundle extras = data.getExtras();
- myBitmap = (Bitmap) extras.get("data");
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- myBitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
- mContent = baos.toByteArray();
- } catch ( Exception e )
- {
- e.printStackTrace();
- }
- // 把得到的图片绑定在控件上显示
- preview.setImageBitmap(ImageUtil.toRoundCorner(myBitmap, 10));//把拍摄的照片转成圆角显示在预览控件上
- }else if(requestCode==REQUEST_CALENDAR){
- if(resultCode == RESULT_OK){
- happenDate.setCalendar(data.getIntExtra("year", 1900), data.getIntExtra("month", 0), data.getIntExtra("day", 1));
- }
- }
- }
- public static Bitmap getPicFromBytes ( byte[] bytes , BitmapFactory.Options opts )
- {
- if (bytes != null)
- if (opts != null)
- return BitmapFactory.decodeByteArray(bytes, 0, bytes.length, opts);
- else
- return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
- return null;
- }
- public static byte[] readStream ( InputStream inStream ) throws Exception
- {
- byte[] buffer = new byte[1024];
- int len = -1;
- ByteArrayOutputStream outStream = new ByteArrayOutputStream();
- while ((len = inStream.read(buffer)) != -1)
- {
- outStream.write(buffer, 0, len);
- }
- byte[] data = outStream.toByteArray();
- outStream.close();
- inStream.close();
- return data;
- }
- @Override
- public void onClick(View v) {
- int id = v.getId();
- switch(id){
- case R.id.capture:{
- final CharSequence[] items =
- { "相册", "拍照" };
- AlertDialog dlg = new AlertDialog.Builder(CameraActivity.this).setTitle("选择图片").setItems(items,
- new DialogInterface.OnClickListener()
- {
- public void onClick ( DialogInterface dialog , int item )
- {
- // 这里item是根据选择的方式,
- // 在items数组里面定义了两种方式,拍照的下标为1所以就调用拍照方法
- if (item == 1){
- Intent getImageByCamera = new Intent("android.media.action.IMAGE_CAPTURE");
- startActivityForResult(getImageByCamera, REQUEST_CAMERA);
- } else{
- Intent getImage = new Intent(Intent.ACTION_GET_CONTENT);
- getImage.addCategory(Intent.CATEGORY_OPENABLE);
- getImage.setType("image/jpeg");
- startActivityForResult(getImage, 0);
- }
- }
- }).create();
- dlg.show();
- }
- break;
- /*case R.id.reCapture:{
- final CharSequence[] items =
- { "相册", "拍照" };
- AlertDialog dlg = new AlertDialog.Builder(CameraActivity.this).setTitle("选择图片").setItems(items,
- new DialogInterface.OnClickListener()
- {
- public void onClick ( DialogInterface dialog , int item )
- {
- // 这里item是根据选择的方式,
- // 在items数组里面定义了两种方式,拍照的下标为1所以就调用拍照方法
- if (item == 1)
- {
- Intent getImageByCamera = new Intent("android.media.action.IMAGE_CAPTURE");
- startActivityForResult(getImageByCamera, 1);
- } else
- {
- Intent getImage = new Intent(Intent.ACTION_GET_CONTENT);
- getImage.addCategory(Intent.CATEGORY_OPENABLE);
- getImage.setType("image/jpeg");
- startActivityForResult(getImage, 0);
- }
- }
- }).create();
- dlg.show();
- }
- break;*/
- case R.id.submit:{
- new PostThread().start();//开启线程提交数据
- }
- break;
- case R.id.back:{
- CameraActivity.this.finish();//返回,销毁当前Activity
- }
- break;
- default:
- break;
- }
- }
- }