问题描述
限时送ChatGPT账号..我已经构建了一个运行良好的图像裁剪应用程序,但现在我想将裁剪后的图像名称保存为文本框值.
I have build a image cropping app its running fine, but now I want to save cropped image name as textbox value.
简而言之,我试图在对象中设置文本框值并在 Java 类中获取对象值.我尝试了几种技术,最近我尝试使用接口技术获取、设置数据,并且图像仅保存为.jpg".
In short I am trying to set textbox value in object and get object value in java Class. I have tried several techniques, recently I am trying to get,set data by using interface technique and the image is saved as ".jpg"only.
我很想知道我要去哪里?
I would love to know where am I going wronk?
以下是我试过的代码.
public class TestActivity extends AppCompatActivity implements CropHandler, View.OnClickListener {
public static final String TAG = "TestActivity";
ImageView mImageView;
EditText formnumber;
String formid;
CropParams mCropParams;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.test);
mCropParams = new CropParams(this);
mImageView = (ImageView) findViewById(R.id.image);
formnumber =(EditText)findViewById(R.id.FormNumber);
findViewById(R.id.bt_crop_capture).setOnClickListener(this);
findViewById(R.id.bt_crop_gallery).setOnClickListener(this);
}
@Override
public void onClick(View v) {
mCropParams.refreshUri();
formid=formnumber.getText().toString();
// Intent i = new Intent(TestActivity.this, CropHelper.class);
// i.putExtra("Id",formid);
if(formid.matches(""))
{
Toast.makeText(getApplicationContext(),"Please Enter Application Id",Toast.LENGTH_SHORT).show();
}
else
{
switch (v.getId()) {
case R.id.bt_crop_capture: {
mCropParams.enable = true;
mCropParamspress = false;
Intent intent = CropHelper.buildCameraIntent(mCropParams);
startActivityForResult(intent, CropHelper.REQUEST_CAMERA);
}
break;
case R.id.bt_crop_gallery: {
mCropParams.enable = true;
mCropParamspress = false;
Intent intent = CropHelper.buildGalleryIntent(mCropParams);
startActivityForResult(intent, CropHelper.REQUEST_CROP);
}
break;
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
CropHelper.handleResult(this, requestCode, resultCode, data);
if (requestCode == 1) {
Log.e(TAG, "");
}
}
@Override
public void onTaskComplete(String response) {
onTaskComplete(this.formid);
}
}
CropHelper 类
public class CropHelper {
public static final String TAG = "CropHelper";
/**
* request code of Activities or Fragments
* You will have to change the values of the request codes below if they conflict with your own.
*/
public static final int REQUEST_CROP = 127;
public static final int REQUEST_CAMERA = 128;
public static final int REQUEST_PICK = 129;
public static String AppId;
public static final String CROP_CACHE_FOLDER = "PhotoCropper";
public static Uri generateUri() {
File cacheFolder = new File(Environment.getExternalStorageDirectory() + File.separator + CROP_CACHE_FOLDER);
if (!cacheFolder.exists()) {
try {
boolean result = cacheFolder.mkdir();
Log.d(TAG, "generateUri " + cacheFolder + " result: " + (result ? "succeeded" : "failed"));
} catch (Exception e) {
Log.e(TAG, "generateUri failed: " + cacheFolder, e);
}
}
// String name = String.format("image-%d.jpg", System.currentTimeMillis());
String name = String.format(AppId.toString()+".jpg",System.currentTimeMillis());
return Uri
.fromFile(cacheFolder)
.buildUpon()
.appendPath(name)
.build();
}
@Override
public void onTaskComplete(String response) {
AppId=response;
}
}
界面
public interface CropHandler
{
void onPhotoCropped(Uri uri);
void onCompressed(Uri uri);
void onTaskComplete(String response);
void onCancel();
void onFailed(String message);
void handleIntent(Intent intent, int requestCode);
CropParams getCropParams();
}
推荐答案
将 formid 设置为 EditText 值并在您的 CropHelper 类中获取返回值.
Set formid to EditText value and get the return value in your CropHelper class.
public static String formid=null;
formid=formnumber.getText().toString();
现在在要调用 formid 值的类中创建 Activity 的对象.
Now create an object of your Activity in a class where you want to call formid value.
MainActivity my_objec= new MainActivity();
String id= my_objec.formid;
String name = String.format(""+id+".jpg",System.currentTimeMillis());
这就是你需要做的.
这篇关于如何在Activity中设置数据并在java类中获取的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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