手机照相或选择相册，类似新浪微博的图片处理

btn1.setOnClickListener(new OnClickListener() {  
  
    @Override  
    public void onClick(View v) {  
  
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);  
  
        File out = new File(Environment.getExternalStorageDirectory(),  
                "camera.png");  
        Uri uri = Uri.fromFile(out);  
        intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);  
        xxActivity.startActivityForResult(intent, 3);  
                    }  
});

btn2.setOnClickListener(new OnClickListener() {  
  
        @Override  
        public void onClick(View v) {  
            Intent intent = new Intent(Intent.ACTION_GET_CONTENT);  
            intent.addCategory(Intent.CATEGORY_OPENABLE);  
            intent.setType("image/*");  
            intent.putExtra("crop", "true");  
            intent.putExtra("aspectX", 1);  
            intent.putExtra("aspectY", 1);  
            intent.putExtra("outputX", 80);  
            intent.putExtra("outputY", 80);  
            intent.putExtra("return-data", true);  
  
            xxActivity.startActivityForResult(intent, 2);  
                        }  
    });

protected void onActivityResult(int requestCode, int resultCode, Intent data) {  
        if (resultCode != RESULT_OK) {  
            return;  
        } else {  
  
            switch (requestCode) {  
            case 2:  
                Bitmap cameraBitmap = (Bitmap) data.getExtras().get("data");  
                Home.personalinfo.headbmp = cameraBitmap;  
                try {  
                    String str = saveMyBitmap(cameraBitmap);  
                  
  
                } catch (IOException e) {  
                    e.printStackTrace();  
                }  
  
                break;  
  
            /* 拍照后保存图片，并跳到裁剪功能 */  
            case 3:  
  
                new saveAsy().execute("");  
                break;  
            }  
  
        }  
        super.onActivityResult(requestCode, resultCode, data);  
    }

class saveAsy extends AsyncTask<String, Object, String> {  
  
  
  
  
  
    @Override  
    protected String doInBackground(String... str) {  
        dispathBitmap();  
        Intent intent = new Intent("com.android.camera.action.CROP");  
        try {  
            intent.setData(Uri  
                    .parse(android.provider.MediaStore.Images.Media  
                            .insertImage(getContentResolver(),  
                                    storageUrl+"/camera.png", null, null)));  
        } catch (FileNotFoundException e) {  
            e.printStackTrace();  
        }  
        intent.putExtra("crop", "true");  
        intent.putExtra("aspectX", 1);  
        intent.putExtra("aspectY", 1);  
        intent.putExtra("outputX", 80);  
        intent.putExtra("outputY", 80);  
        intent.putExtra("return-data", true);  
        startActivityForResult(intent, 2);  
  
        return "";  
    }  
  
    @Override  
    protected void onPostExecute(String bmp) {  
        super.onPostExecute(bmp);  
  
    }  
  
}