линии не окликнул

Question

привет я столкнулся с этой проблемой, когда некоторые из моей линии не вызывается, как я отлажены линии alrd

@Override 
public void onActivityResult(int requestCode, int resultCode, Intent data) { 
       IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data); 
       if (result.getContents() != null) { 
        String scanContent = result.getContents(); 
       String scanFormat = result.getFormatName(); 

       // display it on screen 
       formatTxt.setText("FORMAT: " + scanFormat); 
       contentTxt.setText("CONTENT: " + scanContent); 
      }else { 
       Toast toast = Toast.makeText(getContext(),"No scan data received!", Toast.LENGTH_SHORT); 
       toast.show(); 
      } 
     } 

} 

onactivityresult не вызывается, как же я это исправить?

Answer 1

Heres полный код

import android.app.Activity; 
import android.content.Intent; 
import android.os.Bundle; 
import android.support.v4.app.Fragment; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.Button; 
import android.widget.EditText; 
import android.widget.TextView; 
import android.widget.Toast; 

import com.google.zxing.integration.android.IntentIntegrator; 
import com.google.zxing.integration.android.IntentResult; 

/** 
* Created by P1422160 on 3/1/2017. 
*/ 


public class ThreeFragment extends Fragment{ 

    public ThreeFragment() { 
     // Required empty public constructor 
    } 

    Button scan_btn; 
    EditText Edit_current; 
    TextView formatTxt, contentTxt; 

    @Override 
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 
     View view = inflater.inflate(R.layout.fragment_one, container, false); 
     scan_btn = (Button) view.findViewById(R.id.scan_button); 
     //initialize the textViews 
     formatTxt = (TextView) view.findViewById(R.id.scan_format); 
     contentTxt = (TextView) view.findViewById(R.id.scan_content); 
     final Activity activity = getActivity(); 
     scan_btn.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View view) { 
       IntentIntegrator integrator = new IntentIntegrator(activity); 
       integrator.setDesiredBarcodeFormats(IntentIntegrator.PRODUCT_CODE_TYPES); 
       integrator.setPrompt("Scan"); 
       integrator.setCameraId(0); 
       integrator.setBeepEnabled(false); 
       integrator.setBarcodeImageEnabled(true); 
       integrator.initiateScan(); 
      } 
     }); 

     return view; 
    } 

    @Override 
    public void onActivityResult(int requestCode, int resultCode, Intent data) { 
     IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data); 
     if (result.getContents() != null) { 
      String scanContent = result.getContents(); 
      String scanFormat = result.getFormatName(); 

      // display it on screen 
      formatTxt.setText("FORMAT: " + scanFormat); 
      contentTxt.setText("CONTENT: " + scanContent); 
     }else { 
      Toast toast = Toast.makeText(getContext(),"No scan data received!", Toast.LENGTH_SHORT); 
      toast.show(); 
     }}} 

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" android:paddingLeft="@dimen/activity_horizontal_margin" 
android:paddingRight="@dimen/activity_horizontal_margin" 
android:paddingTop="@dimen/activity_vertical_margin" 
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".HomeActivity"> 

<Button 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="scan" 
    android:layout_centerHorizontal="true" 
    android:layout_marginBottom="@dimen/activity_vertical_margin" 
    android:id="@+id/btn_scan_now" /> 

<TextView 
    android:id="@+id/scan_format" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:textIsSelectable="true" 
    android:layout_below="@+id/btn_scan_now" 
    android:gravity="center_horizontal" 
    android:layout_marginBottom="@dimen/activity_vertical_margin" /> 
<TextView 
    android:id="@+id/scan_content" 
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:textIsSelectable="true" 
    android:layout_below="@+id/scan_format" 
    android:layout_marginBottom="@dimen/activity_vertical_margin" 
    android:gravity="center_horizontal" /> 

эту деятельность, предполагают, чтобы сканировать штрих-код и отобразить его формат и содержание