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Clickable Image in Recycler View Android Studio

 
Greenhorn
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I'm doing a project where you click an image then launches the second activity that contains the image, title and description (it changes depending on the image). I have already set the onClickListener but it doesn't work. The project is working fine and I'm not getting an error as I run it but when I'm in the actual project itself, whenever I click the image the app suddenly closes without giving error message. Any idea how to solve this? Thanks

> Main Activity

   public class MainActivity extends AppCompatActivity {


   RecyclerView mainRecycler;
   RecyclerView.Adapter adapter;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);

       mainRecycler = findViewById(R.id.main_recycler);
       mainRecycler();
   }

   private void mainRecycler() {
       mainRecycler.setHasFixedSize(true);
       mainRecycler.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false));

       ArrayList<MainHelperClass> mainLocations = new ArrayList<>();
       mainLocations.add(new MainHelperClass(R.drawable.image1, "title1", "desc1"));
       mainLocations.add(new MainHelperClass(R.drawable.image2, "title2", "desc2"));
       mainLocations.add(new MainHelperClass(R.drawable.image3, "title3, "desc3"));

       adapter = new MainAdapter(mainLocations, getApplicationContext());
       mainRecycler.setAdapter(adapter);

   }

   }

> Adapter

   public class MainAdapter extends RecyclerView.Adapter<MainAdapter.MainViewHolder> {

   ArrayList<MainHelperClass> mainLocations;
   Context context;
   public MainAdapter(ArrayList<MainHelperClass> mainLocations, Context context) {
       this.mainLocations = mainLocations;
       this.context = context;
   }


   @NonNull
   @Override
   public MainViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

       View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.main_card_design,parent,false);
       MainViewHolder mainViewHolder = new MainViewHolder(view);
       return mainViewHolder;
   }

   @Override
   public void onBindViewHolder(@NonNull MainViewHolder holder, int position) {

       final MainHelperClass mainHelperClass = mainLocations.get(position);
       holder.image.setImageResource(mainHelperClass.getImage());
       holder.title.setText(mainHelperClass.getTitle());
       holder.desc.setText(mainHelperClass.getDescription());

       holder.itemView.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               Intent intent = new Intent(context, MainDetails.class);
               intent.putExtra("image", mainHelperClass.getImage());
               intent.putExtra("title", mainHelperClass.getTitle());
               intent.putExtra("description", mainHelperClass.getDescription());
               intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
               context.startActivity(intent);
           }
       });
   }

   @Override
   public int getItemCount() {
       return mainLocations.size();
   }

   public static class MainViewHolder extends RecyclerView.ViewHolder{

       ImageView image;
       TextView title, desc;

       public MainViewHolder(@NonNull View itemView) {
           super(itemView);
           image = itemView.findViewById(R.id.main_image);
           title = itemView.findViewById(R.id.main_title);
           desc = itemView.findViewById(R.id.main_desc);
       }
   }

   }

> Details Activity

   public class MainDetails extends AppCompatActivity {
   ImageView image;
   TextView title, description;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main_details);

       image = (ImageView)findViewById(R.id.main_image_details);
       title = (TextView)findViewById(R.id.main_title_details);
       description = (TextView)findViewById(R.id.main_desc_details);

       image.setImageResource(getIntent().getIntExtra("image", 0));
       title.setText(getIntent().getStringExtra("title"));
       description.setText(getIntent().getStringExtra("description"));

   }

   }
 
Saloon Keeper
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Welcome to the Ranch.

the app suddenly closes without giving error message.


Whenever this happens on Android, your first stop is to examine the logcat - it includes the full exception stack trace that terminated the app. Post that here in full.
 
Hachi Man
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> This is what logcat is showing

Process: com.example.galila, PID: 2293
   android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.galila/com.example.galila.MainDetails}; have you declared this activity in your AndroidManifest.xml?
       at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:2056)
       at android.app.Instrumentation.execStartActivity(Instrumentation.java:1716)
       at android.app.ContextImpl.startActivity(ContextImpl.java:985)
       at android.app.ContextImpl.startActivity(ContextImpl.java:944)
       at android.content.ContextWrapper.startActivity(ContextWrapper.java:394)
       at com.example.galila.MainAdapter$1.onClick(MainAdapter.java:52)
       at android.view.View.performClick(View.java:7257)
       at android.view.View.performClickInternal(View.java:7213)
       at android.view.View.access$3800(View.java:828)
       at android.view.View$PerformClick.run(View.java:27921)
       at android.os.Handler.handleCallback(Handler.java:883)
       at android.os.Handler.dispatchMessage(Handler.java:100)
       at android.os.Looper.loop(Looper.java:237)
       at android.app.ActivityThread.main(ActivityThread.java:7830)
       at java.lang.reflect.Method.invoke(Native Method)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1040)
2020-12-21 22:06:20.157 2820-2840/? E/hypnusd: submit dspfreq failed(Unknown error 524)
2020-12-21 22:06:20.157 2820-2840/? E/hypnusd: submit dspfreq failed(Unknown error 524)
2020-12-21 22:06:20.165 1503-3651/? E/Process: get_ion_cache_memory: Unable to open /d/ion/system_stats
2020-12-21 22:06:20.166 1503-3651/? E/Process: get_ion_cache_memory: Unable to open /d/ion/system_stats
2020-12-21 22:06:20.167 1503-3651/? E/Process: get_ion_cache_memory: Unable to open /d/ion/system_stats
2020-12-21 22:06:20.194 1503-1631/? E/InputDispatcher: channel 'bb1c39f com.example.galila/com.example.galila.MainActivity (server)' ~ Channel is unrecoverably broken and will be disposed!
2020-12-21 22:06:20.198 2820-2840/? E/hypnusd: submit dspfreq failed(Unknown error 524)
2020-12-21 22:06:20.212 546-603/? E/UxUtility: notifyAppState error = NULL
2020-12-21 22:06:20.213 1503-3645/? E/HoraeUtil: Cannot connect to HoraeService
2020-12-21 22:06:20.648 2820-2840/? E/hypnusd: submit dspfreq failed(Unknown error 524)
2020-12-21 22:06:20.670 2824-2824/? E/oiface: packageSwitch pkg com.oppo.launcher, enter
2020-12-21 22:06:20.671 2824-2824/? E/oiface: current package is com.oppo.launcher
2020-12-21 22:06:20.675 1503-19085/? E/Process: get_ion_cache_memory: Unable to open /d/ion/system_stats
2020-12-21 22:06:20.679 2824-2848/? E/oiface: access /sys/devices/system/cpu/cpu4/cpufreq/stats/time_in_state failed(No such file or directory)
2020-12-21 22:06:20.679 2824-2848/? E/oiface: Average freq 0 for 0s.
2020-12-21 22:06:20.679 2824-2848/? E/oiface: access /sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state failed(No such file or directory)
2020-12-21 22:06:20.679 2824-2848/? E/oiface: Average freq 0 for 0s.
2020-12-21 22:06:20.681 2824-2848/? E/oiface: get gpu freq table failed
2020-12-21 22:06:20.684 2824-2848/? E/oiface: client  not found, skipped
2020-12-21 22:06:20.691 2824-2848/? E/oiface: access /sys/devices/system/cpu/cpu4/cpufreq/stats/time_in_state failed(No such file or directory)
2020-12-21 22:06:20.691 2824-2848/? E/oiface: access /sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state failed(No such file or directory)
2020-12-21 22:06:20.692 2824-2848/? E/oiface: get gpu freq table failed
2020-12-21 22:06:47.834 2237-2378/? E/memtrack: Couldn't load memtrack module
2020-12-21 22:06:58.407 3321-2379/? E/memtrack: Couldn't load memtrack module
2020-12-21 22:07:06.059 1092-1092/? E/raw_hw_default: open dev/block/platform/bootdevice/by-name/reserve2 success
2020-12-21 22:07:06.059 1092-1092/? E/raw_hw_default: item id=508,0x260096
2020-12-21 22:07:06.061 1092-1092/? E/raw_hw_default: open dev/block/platform/bootdevice/by-name/reserve2 success
2020-12-21 22:07:06.061 1092-1092/? E/raw_hw_default: item id=1532,0x784384
 
Tim Moores
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Unable to find explicit activity class {com.example.galila/com.example.galila.MainDetails}; have you declared this activity in your AndroidManifest.xml?


Bingo! Is it declared? Without spelling mistakes?
 
Hachi Man
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Thank you solved it lmao, I just need to add the second activity in the android manifest. Logcat is very helpful.
 
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