Android(安卓)选择图片裁剪，上传

先上效果图

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context="${packageName}.${activityClass}" >    <ImageView        android:id="@+id/imageView1"        android:layout_width="300px"        android:layout_height="300px"        android:layout_alignParentTop="true"        android:layout_centerHorizontal="true"        android:layout_marginTop="28dp" />    <Button        android:id="@+id/btn_camera"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_below="@+id/imageView1"        android:layout_centerHorizontal="true"        android:layout_marginTop="34dp"        android:text="拍照" />    <Button        android:id="@+id/btn_album"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_below="@+id/btn_camera"        android:layout_centerHorizontal="true"        android:layout_marginTop="23dp"        android:text="图库选择" />RelativeLayout>

MainActivity.java

package com.example.imagecutdemo;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.net.URI;import org.apache.http.Header;import com.loopj.android.http.AsyncHttpClient;import com.loopj.android.http.AsyncHttpResponseHandler;import com.loopj.android.http.RequestParams;import android.app.Activity;import android.content.Intent;import android.graphics.Bitmap;import android.graphics.Bitmap.CompressFormat;import android.graphics.BitmapFactory;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.provider.MediaStore;import android.util.Base64;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageView;import android.widget.Toast;public class MainActivity extends Activity {    protected static final int CAMERA_REQUEST_CODE = 0;    protected static final int ALBUM_REQUEST_CODE = 1;    private static final int CROP_REQUEST_CODE = 2;    private ImageView imageView;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        imageView = (ImageView) findViewById(R.id.imageView1);        Button btnCamera = (Button) findViewById(R.id.btn_camera);        btnCamera.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);                startActivityForResult(intent, CAMERA_REQUEST_CODE);            }        });        Button btnAlbum = (Button) findViewById(R.id.btn_album);        btnAlbum.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                /**这里有2种获取相册的方式*/                Intent intent = new Intent(Intent.ACTION_GET_CONTENT);                intent.setType("image/*");                //Intent intent = new Intent(Intent.ACTION_PICK, null);                //intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");                startActivityForResult(intent, ALBUM_REQUEST_CODE);            }        });    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        if (requestCode == CAMERA_REQUEST_CODE) {            if (resultCode == Activity.RESULT_CANCELED)                return;            Bundle bundle = data.getExtras();            if (bundle != null) {                Bitmap bitmap = bundle.getParcelable("data");                Uri uri = saveBitmap(bitmap);                startImageZoom(uri);            }        } else if (requestCode == ALBUM_REQUEST_CODE) {            if (resultCode == Activity.RESULT_CANCELED)                return;            Uri uri = data.getData();            Uri fileUri = converUri(uri);            startImageZoom(fileUri);        } else if (requestCode == CROP_REQUEST_CODE) {            Bundle bundle = data.getExtras();            Bitmap bitmap = bundle.getParcelable("data");            imageView.setImageBitmap(bitmap);            sendImage(bitmap);        }    }    private void startImageZoom(Uri uri) {        Intent intent = new Intent("com.android.camera.action.CROP");        intent.setDataAndType(uri, "image/*");        intent.putExtra("crop", true);        intent.putExtra("aspectX", 1);        intent.putExtra("aspectY", 1);        intent.putExtra("outputX", 150);        intent.putExtra("outputY", 150);        intent.putExtra("return-data", true);        startActivityForResult(intent, CROP_REQUEST_CODE);    }    /**     * 将Content的Uri转成file的Uri     *      * @param uri     * @return     */    private Uri converUri(Uri uri) {        InputStream in = null;        try {            in = getContentResolver().openInputStream(uri);            Bitmap bitmap = BitmapFactory.decodeStream(in);            return saveBitmap(bitmap);        } catch (FileNotFoundException e) {            e.printStackTrace();        }        return null;    }    /**     * 将Bitmap转成file的Uri     *      * @param bitmap     * @return     */    private Uri saveBitmap(Bitmap bitmap) {        File file = new File(Environment.getExternalStorageDirectory() + "/aaa");        if (!file.exists())            file.mkdirs();        File imgFile = new File(file.getAbsolutePath() + "/1.jpeg");        if (imgFile.exists())            imgFile.delete();        try {            FileOutputStream outputStream = new FileOutputStream(imgFile);            bitmap.compress(CompressFormat.JPEG, 85, outputStream);            outputStream.flush();            outputStream.close();            Uri uri = Uri.fromFile(imgFile);            return uri;        } catch (FileNotFoundException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return null;    }    /**     * 上传图片到服务器     *      * @param bitmap     */    private void sendImage(Bitmap bitmap) {        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();        bitmap.compress(CompressFormat.JPEG, 80, outputStream);        byte[] bs = outputStream.toByteArray();        // 设置默认编码        String img = new String(Base64.encodeToString(bs, Base64.DEFAULT));        // 上传文件        AsyncHttpClient client = new AsyncHttpClient();        RequestParams params = new RequestParams();        params.add("img", img);        client.post("192.168.100.239/ImageUpload.php", params, new AsyncHttpResponseHandler() {            @Override            public void onSuccess(int arg0, Header[] arg1, byte[] arg2) {                // 上传成功            }            @Override            public void onFailure(int arg0, Header[] arg1, byte[] arg2, Throwable arg3) {                // 上传失败            }        });    }}

图片上传使用了android-async-http-1.4.6 的第三方的包。

DEMO地址

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