android 剪切照片/相册，不依赖厂商API方案
1. 引入 cropImage 工程
csdn内下载地址：http://download.csdn.net/detail/qhexin/7016925
也可以到这里下载： https://github.com/lvillani/android-cropimage
2. 加入代码
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 , null);
}
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;
}
public boolean saveBitmap(Bitmap bitmap,String url) throws IOException, NumberFormatException, JSONException
{
File file = new File(url);
FileOutputStream out;
try{
int bitMapWidth = bitmap.getWidth();
int bitMapHeight = bitmap.getHeight();
int wantWidth = Integer.valueOf(m_imagePickerJson.getString("want_width"));
int wantHeight = Integer.valueOf(m_imagePickerJson.getString("want_height"));
Log.d("sss","Majiang bitMapWidth="+bitMapWidth +
" bitMapHeight=" + bitMapHeight + " wantWidth=" + wantWidth + " wantHeight="+wantHeight );
if(wantWidth == 0)
{
wantWidth = bitMapWidth;
wantHeight = bitMapHeight;
}
Bitmap bitmapCutPart = null;//切割部分
Matrix matrix=new Matrix();
if(bitMapWidth*1.0/bitMapHeight > wantWidth*1.0/wantHeight )
{
int theWidthCut = (int)(wantWidth*1.0/wantHeight * bitMapHeight);
matrix.postScale(wantHeight*1.0f/bitMapHeight,wantHeight*1.0f/bitMapHeight);
Log.d("sss","Majiang 1111111 theWidthCut="+theWidthCut );
bitmapCutPart = Bitmap.createBitmap(bitmap , (int)(bitMapWidth/2.0f-theWidthCut/2.0f) , 0 , theWidthCut , bitMapHeight,matrix,true );
}
else
{
matrix.postScale(wantWidth*1.0f/bitMapWidth,wantWidth*1.0f/bitMapWidth);
int theHeightCut = (int)(bitMapWidth*1.0 / (wantWidth*1.0/wantHeight));
Log.d("sss","Majiang 22222 theHeightCut="+theHeightCut );
bitmapCutPart = Bitmap.createBitmap(bitmap , 0 , (int)(bitMapHeight/2- theHeightCut/2), bitMapWidth , theHeightCut,matrix,true );
}
out = new FileOutputStream(file);
if(bitmapCutPart.compress(Bitmap.CompressFormat.JPEG, 70, out))
{
out.flush();
out.close();
}
bitmapCutPart.recycle();
bitmapCutPart = null;
return true;
}
catch (FileNotFoundException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
return false;
}
public void Local_Choose_File_Start(JSONObject prms)
{
m_imagePickerJson = prms;
final CharSequence[] items = { "相册", "拍照" };
AlertDialog dlg = new AlertDialog.Builder(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95166所以就调用拍照方法
if(item==1){
// Intent getImageByCamera= new Intent("android.media.action.IMAGE_CAPTURE");
Uri mImageCaptureUri = Uri.fromFile(new File(Environment.getExternalStorageDirectory(),
"tmp_contact_" + ".jpg"));
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if(mImageCaptureUri != null)
{
intent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT,mImageCaptureUri);
}
intent.putExtra("return-data", true);
startActivityForResult(intent, 95166);
}else{
Intent getImage = new Intent(Intent.ACTION_GET_CONTENT);
getImage.addCategory(Intent.CATEGORY_OPENABLE);
getImage.setType("image/jpeg");
startActivityForResult(getImage, 95165);
}
}
}).create();
dlg.setOnCancelListener(
new OnCancelListener(){
@Override
public void onCancel(DialogInterface arg0) {
// TODO Auto-generated method stub
Log.d("on cancel listener", "on cancel listernner");
try {
m_imagePickerJson.put("error", "1");
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
AndroidNDKHelper.SendMessageWithParameters("Local_Choose_File_Result", m_imagePickerJson);
m_imagePickerJson = null;
}
});
dlg.show();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(m_imagePickerJson != null && (requestCode == Activity_Tag_ChoosePhoto
|| requestCode == Activity_Tag_TakePhoto || requestCode == Activity_Tag_CropPhoto ))
{
if(resultCode != Activity.RESULT_OK )
{
try {
m_imagePickerJson.put("error", "1");
} catch (Exception e1) {
e1.printStackTrace();
}
AndroidNDKHelper.SendMessageWithParameters("Local_Choose_File_Result", m_imagePickerJson);
m_imagePickerJson = null;
return;
}
//选图
Bitmap myBitmap = null;
byte[] mContent;
ContentResolver resolver = getContentResolver();
String fileTempSave = "";
try {
fileTempSave = m_imagePickerJson.getString("temp_save_image_path");
} catch (Exception e) {
e.printStackTrace();
}
if(requestCode ==Activity_Tag_TakePhoto )
{
Uri mImageCaptureUri = Uri.fromFile(new File(fileTempSave));
Uri moriginUri = Uri.fromFile(new File(Environment.getExternalStorageDirectory(),
"tmp_contact_" + ".jpg"));
CropImageIntentBuilder cropImage = new CropImageIntentBuilder(512, 512, mImageCaptureUri);
cropImage.setSourceImage(moriginUri);
startActivityForResult(cropImage.getIntent(this) , Activity_Tag_CropPhoto);
//startActivity(cropImage.getIntent(this) );
return;
}
else if( requestCode == Activity_Tag_ChoosePhoto)
{
Uri mImageCaptureUri = Uri.fromFile(new File(fileTempSave));
CropImageIntentBuilder cropImage = new CropImageIntentBuilder(512, 512, mImageCaptureUri);
cropImage.setSourceImage(data.getData());
startActivityForResult(cropImage.getIntent(this) , Activity_Tag_CropPhoto);
return;
}
else if (requestCode == Activity_Tag_ChoosePhoto) {
try {
//获得图片的uri
Bundle bdl = data.getExtras();
Uri originalUri = data.getData();
if(originalUri != null)
{
//将图片内容解析成字节数组
mContent=readStream(resolver.openInputStream(Uri.parse(originalUri.toString())));
BitmapFactory.Options options = new BitmapFactory.Options();
//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
//imageView.setImageBitmap(myBitmap);
this.saveBitmap(myBitmap, fileTempSave);//保存为临时文件
myBitmap.recycle();
myBitmap = null;
m_imagePickerJson.put("success", "1");
}
else
{
m_imagePickerJson.put("error", "1");
}
} catch (Exception e) {
try {
m_imagePickerJson.put("error", "1");
} catch (Exception e1) {
e1.printStackTrace();
}
System.out.println(e.getMessage());
}
}else if(requestCode ==Activity_Tag_TakePhoto){
try {
String sdStatus = Environment.getExternalStorageState();
if(sdStatus.equals(Environment.MEDIA_MOUNTED))
{
try {
try {
Uri mImageCaptureUri = Uri.fromFile(new File(Environment.getExternalStorageDirectory(),
"tmp_contact_" + ".jpg"));
// 将图片内容解析成字节数组
mContent = readStream(resolver.openInputStream(Uri.parse(mImageCaptureUri.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
this.saveBitmap(myBitmap, fileTempSave);//保存为临时文件
myBitmap.recycle();
myBitmap = null;
mContent = null;
} catch (FileNotFoundException e) {
e.printStackTrace();
}
} catch (Exception e) {
}
}
else
{
//读出来的缩略图
Bundle extras = data.getExtras();
myBitmap = (Bitmap) extras.get("data");
//把得到的图片绑定在控件上显示
//imageView.setImageBitmap(myBitmap);
this.saveBitmap(myBitmap, fileTempSave);//保存为临时文件
myBitmap.recycle();
myBitmap = null;
}
m_imagePickerJson.put("success", "1");
} catch (Exception e) {
try {
m_imagePickerJson.put("error", "1");
} catch (Exception e1) {
e1.printStackTrace();
}
e.printStackTrace();
}
}
else if(requestCode == Activity_Tag_CropPhoto )
{
try {
//获得图片的uri
// Bundle bdl = data.getExtras();
// Uri originalUri = data.getData();
// Uri mImageCaptureUri = Uri.fromFile(new File(fileTempSave));
//
// if(originalUri != null)
// {
// //将图片内容解析成字节数组
// mContent=readStream(resolver.openInputStream(Uri.parse(originalUri.toString())));
//
// BitmapFactory.Options options = new BitmapFactory.Options();
//
// //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
// //imageView.setImageBitmap(myBitmap);
// this.saveBitmap(myBitmap, fileTempSave);//保存为临时文件
// myBitmap.recycle();
// myBitmap = null;
//
// m_imagePickerJson.put("success", "1");
// }
// else
// {
// m_imagePickerJson.put("error", "1");
// }
//
m_imagePickerJson.put("success", "1");
} catch (Exception e) {
try {
m_imagePickerJson.put("error", "1");
} catch (Exception e1) {
e1.printStackTrace();
}
System.out.println(e.getMessage());
}
AndroidNDKHelper.SendMessageWithParameters("Local_Choose_File_Result", m_imagePickerJson);
m_imagePickerJson = null;
}
return;
}
if (mBalinShareManager != null) {
mBalinShareManager = new BalinShareManager(this);
}
mBalinShareManager.addSSO(requestCode, resultCode, data);
}