public class PhotoFragment extends Fragment {
public static final String IMAGE_UNSPECIFIED = "image/*";
private ImageView iv_head = null;
private String[] strings = null;
private FileOutputStream b = null;
private String mImagePath = null;
private File sdcardTempFile = null;
private Bitmap myBitmap = null;
private byte[] mContent = null;
private Button btn_geog = null;
// 定位相关
private String loc = null; // 保存定位信息
private LocationClient mLocationClient = null;
private BDLocationListener myListener = new MyLocationListener();
private LocationMode mCurrentMode;
boolean isFirstLoc = true;// 是否首次定位
private String head_str = null;
private Map<String, String> upMap = null;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_photo, container, false);
initview();
btn_geog = (Button) view.findViewById(R.id.geog);
iv_head = (ImageView) view.findViewById(R.id.head);
// 用于保存上传的信息时使用
upMap = new HashMap<String, String>();
sdcardTempFile = new File("/mnt/sdcard/", "tmp_pic_"
+ SystemClock.currentThreadTimeMillis() + ".jpg");
iv_head.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog.Builder dialog = new AlertDialog.Builder(
getActivity());
dialog.setTitle("请选择");
strings = new String[2];
strings[0] = "相机";
strings[1] = "相册";
dialog.setItems(strings, new DialogInterface.OnClickListener() {
// which 如果是点击列表中的选项 表示当前点击的item的下标
@Override
public void onClick(DialogInterface dialog, int which) {
if (which == 0) {
String status = Environment
.getExternalStorageState();
if (status.equals(Environment.MEDIA_MOUNTED)) {
Intent intent = new Intent(
MediaStore.ACTION_IMAGE_CAPTURE);
try {
sdcardTempFile.createNewFile();
intent.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(sdcardTempFile));
} catch (IOException e) {
e.printStackTrace();
}
startActivityForResult(intent, 100);
} else {
Toast.makeText(getActivity(), "请安装储存卡",
Toast.LENGTH_SHORT).show();
}
} else if (which == 1) {
Intent intent = new Intent(Intent.ACTION_PICK, null);
intent.setDataAndType(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
IMAGE_UNSPECIFIED);
try {
sdcardTempFile.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
startActivityForResult(intent, 101);
}
}
});
dialog.create();
dialog.show();
}
});
btn_geog.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mLocationClient.start();// 开启定位SDK
mLocationClient.requestLocation();// 开始请求位置
}
});
return view;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 100 || data != null) {
mImagePath = sdcardTempFile.getAbsolutePath();
File file = new File(mImagePath);
// 这是需要上传的转换成Base64的String 他大爷的就是这里出错了
// head_str = bitmapToString(mImagePath);
myBitmap = decodeFile(file);
if (myBitmap != null) {
iv_head.setImageBitmap(myBitmap);
}
}
if (requestCode == 101 || null != data) {
try {
// ContentResolver是可以对ContentProvider操作的类
ContentResolver resolver = getActivity().getContentResolver();
Uri originalUri = data.getData();// 取数据
// 这是把输入流转成了字节数组Uri.parse需要一个路径openInputStream需要一个URI
mContent = readStream(resolver.openInputStream(Uri
.parse(originalUri.toString())));
BitmapFactory.Options opt = new BitmapFactory.Options();
opt.inJustDecodeBounds = true;
opt.inDither = false;
opt.inPurgeable = true;
opt.inSampleSize = calculateInSampleSize(opt, 480, 800);
// opt.inTempStorage = new byte[12 * 1024];
opt.inJustDecodeBounds = false;
// 将字节数组转换为ImageView可调用的Bitmap对象
myBitmap = getPicFromBytes(mContent, opt);
iv_head.setImageBitmap(myBitmap);
mImagePath = getPath(originalUri);
} catch (Exception e) {
System.out.print(e.getMessage());
}
}
}
/*
* 压缩图片，避免内存不足报错
*/
private Bitmap decodeFile(File f) {
Bitmap b = null;
try {
// Decode image size
BitmapFactory.Options o = new BitmapFactory.Options();
o.inJustDecodeBounds = true;
FileInputStream fis = new FileInputStream(f);
BitmapFactory.decodeStream(fis, null, o);
fis.close();
BitmapFactory.Options o2 = new BitmapFactory.Options();
int width = o.outWidth;
int height = o.outHeight;
int test = calculateInSampleSize(o, 480, 800);
Log.i("照片长宽：", " width:" + width + " height:" + height
+ "insamplesize:" + test);
o2.inSampleSize = calculateInSampleSize(o, 480, 800);
fis = new FileInputStream(f);
b = BitmapFactory.decodeStream(fis, null, o2);
fis.close();
} catch (IOException e) {
e.printStackTrace();
}
return b;
}
// 计算图片的缩放值
public static int calculateInSampleSize(BitmapFactory.Options options,
int reqWidth, int reqHeight) {
final int height = options.outHeight;
final int width = options.outWidth;
int inSampleSize = 1;
if (height > reqHeight || width > reqWidth) {
final int heightRatio = Math.round((float) height
/ (float) reqHeight);
final int widthRatio = Math.round((float) width / (float) reqWidth);
inSampleSize = heightRatio < widthRatio ? heightRatio : widthRatio;
}
return inSampleSize;
}
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;
}
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;
}
private String getPath(Uri originalUri) {
String[] imgs = { MediaStore.Images.Media.DATA };// 将图片URI转换成存储路径
Cursor cursor = getActivity().managedQuery(originalUri, imgs, null,
null, null);
int index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(index);
}
// 把bitmap转换成Base64 String
public static String bitmapToString(String filePath) {
Bitmap bm = getSmallBitmap(filePath);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 40, baos);
byte[] b = baos.toByteArray();
return Base64.encodeToString(b, Base64.DEFAULT);
}
// 根据路径获得图片并压缩，返回bitmap用于显示
public static Bitmap getSmallBitmap(String filePath) {
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeFile(filePath, options);
// Calculate inSampleSize
options.inSampleSize = calculateInSampleSize(options, 480, 800);
// Decode bitmap with inSampleSize set
options.inJustDecodeBounds = false;
return BitmapFactory.decodeFile(filePath, options);
}
public class MyLocationListener implements BDLocationListener {
@Override
public void onReceiveLocation(BDLocation location) {
if (location != null) {
StringBuffer sb = new StringBuffer(128);// 接受服务返回的缓冲区
// 上传服务器的时候可不能忘记去除\n哦
sb.append(location.getProvince() + location.getCity()
+ location.getStreet() + "\n" + "(北纬"
+ location.getLatitude() + "东经"
+ location.getLongitude() + ")");// 获得城市
loc = sb.toString();
Toast.makeText(getActivity(), loc, Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getActivity(), "无法定位", Toast.LENGTH_SHORT)
.show();
return;
}
}
@Override
public void onReceivePoi(BDLocation arg0) {
}
}
/**
* 停止，减少资源消耗
*/
public void stopListener() {
if (mLocationClient != null && mLocationClient.isStarted()) {
mLocationClient.stop();// 关闭定位SDK
mLocationClient = null;
}
}
public void initview() {
mCurrentMode = LocationMode.NORMAL;
mLocationClient = new LocationClient(getActivity()); // 声明LocationClient类
mLocationClient.registerLocationListener(myListener); // 注册监听函数
LocationClientOption option = new LocationClientOption();
option.setOpenGps(true);// 打开GPS
option.setAddrType("all");// 返回的定位结果包含地址信息
option.setCoorType("bd09ll");// 返回的定位结果是百度经纬度,默认值gcj02
option.disableCache(false);// 禁止启用缓存定位
option.setPoiExtraInfo(true);// 获取地址 电话等信息
option.setPriority(LocationClientOption.NetWorkFirst);// 网络定位优先
mLocationClient.setLocOption(option);// 使用设置
mLocationClient.start();
mLocationClient.requestLocation();
}
@Override
public void onDestroy() {
stopListener();// 停止监听
super.onDestroy();
}
}
