Android实现从手机相册上传头像以及拍照上传到服务器

来源：互联网发布：量产u盘工具 mac 编辑：程序博客网时间：2024/05/16 11:34
package com.example.helloworld;import java.io.File;import com.a.a.Tempest;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.content.Intent;import android.graphics.Bitmap;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.provider.MediaStore;import android.provider.OpenableColumns;import android.util.Log;import android.view.View;import android.widget.ImageView;public class PhotoActivity extends Activity {    //2 1 0    private static final String TAG="photoactivity";    private static final int CROP_SMALL_PICTURE = 0;    private static final int TAKE_PICTURE = 1;    private static final int CHOOSE_PICTURE = 2;    private ImageView iv_iamge;    private Bitmap mBitmap;    Uri tmpUri;    //private Button btn_upload;    @Override    protected void onCreate(Bundle savedInstanceState) {        // TODO Auto-generated method stub        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        iv_iamge=(ImageView) findViewById(R.id.iv_image);    }    public void upload(View v){        AlertDialog.Builder builder=new AlertDialog.Builder(PhotoActivity.this);        builder.setTitle("添加图片");        String [] items={"从相册选择照片","拍照"        };        builder.setNegativeButton("取消", null);        builder.setItems(items,new DialogInterface.OnClickListener() {            @Override            public void onClick(DialogInterface dialog, int which) {                // TODO Auto-generated method stub                switch (which) {                case CHOOSE_PICTURE:                    Intent openIntent=new Intent(Intent.ACTION_GET_CONTENT);                     openIntent.setType("image/*");                       //用startActivityForResult方法，重写onActivityResult()方法，拿到图片进行裁剪操作                    startActivityForResult(openIntent, CHOOSE_PICTURE);                    break;                case TAKE_PICTURE:                    Intent openCamreaIntent=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);                    tmpUri=Uri.fromFile(new File(Environment.getExternalStorageDirectory(),"test_image.jpg"));                                            // 将拍照所得的相片保存到SD卡根目录openCamreaIntent.putExtra(MediaStore.EXTRA_OUTPUT, tmpUri);                    startActivityForResult(openCamreaIntent, TAKE_PICTURE);                    break;                default:                    break;                }            }        });        builder.show();    }    /**裁剪图片的方法     *      */    protected void cutImage(Uri uri){        if(uri==null){            Log.i(TAG, "this is not exist");        }        tmpUri=uri;        Intent intent=new Intent("com.android.camera.action.CROP");        intent.setDataAndType(uri, "image/*");        //设置裁剪        intent.putExtra("crop", true);        //设置aspectX y设置宽高的比例        intent.putExtra("aspectX", 1);        intent.putExtra("aspectY", 1);        //outputX 剪裁图片的宽高        intent.putExtra("outputX", 150);        intent.putExtra("outputY", 150);        intent.putExtra("return-data", true);        startActivityForResult(intent, CROP_SMALL_PICTURE);    }    /**     * 保存裁剪之后的图片并显示到界面上     */    protected void setImageToView(Intent data){        Bundle extras=data.getExtras();        if(extras!=null){            mBitmap=extras.getParcelable("data");            iv_iamge.setImageBitmap(mBitmap);        }    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        // TODO Auto-generated method stub        super.onActivityResult(requestCode, resultCode, data);        switch (requestCode) {        case TAKE_PICTURE:        // 对图片进行裁剪处理            cutImage(tmpUri);            break;       case CHOOSE_PICTURE:        // 对图片进行裁剪处理返回           cutImage(data.getData());            break;       case CROP_SMALL_PICTURE:            //将裁剪后的图片上传并设置到到ImageView控件中           if(data!=null){               setImageToView(data);           }    break;        default:            break;        }    }}
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