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expected android.widget.textview but found java.lang.string


expected android.widget.textview but found java.lang.string

By : JackPanda8
Date : November 22 2020, 03:01 PM
it helps some times this is a project to shcool and im quiet new to this progamming world and i was trying to put some information into the textviews but this error don t let me "expected android.widget.textview but found java.lang.string" i dont know what more to do , Try to do like this .
code :
public void mostrar() {
    TextView nome = (TextView) findViewById(R.id.texto_1);
    TextView descricao = (TextView) findViewById(R.id.texto_2);
    TextView data_criacao = (TextView) findViewById(R.id.texto_3);
    c = db.query(false, Contrato.Notas.TABLE_NAME, Contrato.Notas.PROJECTION, Contrato.Notas.COLUMN_ID_USER + "= ? ", new String[]{nota}, null, null, null, null);
    // edited here ,try to change nome to nomeString
    if (null == c) {
        return;
    }
    if(c.moveToFirst()){
        String nomeString = c.getString(c.getColumnIndex(Contrato.Notas.COLUMN_NOME));
        String descricaoString = c.getString(c.getColumnIndex(Contrato.Notas.COLUMN_NOME));
        String data_criacaoString = c.getString(c.getColumnIndex(Contrato.Notas.COLUMN_NOME));
        // then set to your textview
        nome.setText(nomeString);
        descricao.setText(descricaoString);
        data_criacao.setText(data_criacaoString);
    }
}


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java.lang.ClassCastException: android.widget.LinearLayout cannot be cast to android.widget.TextView using ArrayAdapter

java.lang.ClassCastException: android.widget.LinearLayout cannot be cast to android.widget.TextView using ArrayAdapter


By : Henry McDonnell
Date : March 29 2020, 07:55 AM
it fixes the issue From the error it says that ArrayAdapter requires the resource ID to be a TextView
Try changing
code :
listAdapter = new ArrayAdapter<Task>(this, R.layout.list_item, items);
listAdapter = new ArrayAdapter<Task>(this, R.layout.list_item, R.id.TEXT_VIEW_ID, items);
How to debug "expected android.widget.TextView but found java.lang.string" in Android?

How to debug "expected android.widget.TextView but found java.lang.string" in Android?


By : nabeel najjar
Date : March 29 2020, 07:55 AM
around this issue Can someone please take a look at my code? I am trying to build this app for a personal school project. I am new to android studio. I have put together a simple app where you display the spaces available in a parking lot.
code :
lotName = i.getStringArrayExtra("lotName");
lot_name = i.getStringArrayExtra("lotName");
Caused by: java.lang.ClassCastException: android.widget.TextView cannot be cast to android.widget.EditText

Caused by: java.lang.ClassCastException: android.widget.TextView cannot be cast to android.widget.EditText


By : user5500445
Date : March 29 2020, 07:55 AM
Hope this helps I tried clean project and even rebuild project, there is no change .... The application has stop, and the log error is :
code :
private TextView textview1;
textview1 = (TextView) findViewById(R.id.textview);
java.lang.ClassCastException: android.widget.LinearLayout cannot be cast to android.widget.TextView populateview

java.lang.ClassCastException: android.widget.LinearLayout cannot be cast to android.widget.TextView populateview


By : ScreamingSkull
Date : March 29 2020, 07:55 AM
this will help Your id textview1 is doubled, it is set to the linear layout and to the textview Change one of them
getting java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang

getting java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang


By : user2441555
Date : March 29 2020, 07:55 AM
around this issue Try as follows
In your CrimeAdapter under onCreateViewHolder, Pass views to CrimeHolder class
code :
    @NonNull
    @Override
    public CrimeHolder onCreateViewHolder(@NonNull ViewGroup viewGroup,int i){
        LayoutInflater layoutInflater = LayoutInflater.from(context);
        View view = layoutInflater.inflate( R.layout.list_item_crime, viewGroup, false );
        // here pass view as a constructor 
        return new CrimeHolder(view);
    }
    private class CrimeHolder extends RecyclerView.ViewHolder{
        private TextView mTitleTextView;
        private TextView mDateTextView;

        CrimeHolder(View view){
            super(view);
            mTitleTextView = view.findViewById(R.id.textView);
            mDateTextView = view.findViewById(R.id.textView2);
        }
    }
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