INTENT call not found [closed]

delphi application:

var   Intent     : JIntent;

      componente : JComponentName;

      apk,classe : JString;

begin

      apk         := stringtoJstring('com.embarcadero.pedro.mostraparametrob');

      classe      := stringtoJstring('actMostraParametros');

      componente  := TJComponentName.JavaClass.init(apk,classe);

      Intent      := TJIntent.Create;

      Intent.setAction(apk);

      Intent.setComponent(componente);

      try

      SharedActivity.startActivity(Intent);

        except on E: Exception do

          ShowMessage(E.Message);

        end;

end;

the manifest.xml of the activity provider app

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.embarcadero.pedro.mostraparametrob" >

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".actMain"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name=".actMostraParametros"
            android:label="actMostraParametros" >
        </activity>
    </application>

</manifest>

the activity called

package com.embarcadero.pedro.mostraparametrob;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.*;
import android.view.*;

public class actMostraParametros extends ActionBarActivity implements View.OnClickListener {

    private TextView edtValor1,  edtValor2;
    private Button  btnVoltar;


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

        edtValor1 = (TextView)findViewById(R.id.edtValor1);
        edtValor2 = (TextView)findViewById(R.id.edtValor2);
        btnVoltar = (Button)findViewById(R.id.btnVoltar);
        btnVoltar.setOnClickListener(this);

        Bundle bdl = getIntent().getExtras();

        if (bdl.containsKey("para1"))
        {
            String valor1 = bdl.getString("para1");
            edtValor1.setText(valor1);
        }
        if (bdl.containsKey("para2"))
        {
            String valor2 = bdl.getString("para2");
            edtValor2.setText(valor2);
        }

    }

    public void onClick(View v)
    {
        finish();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_act_mostra_parametros, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}