رفع مشکل تداخل اینتنت فیلتر

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.PRG.intent"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="14"
        android:targetSdkVersion="21" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            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:label="Second Activity"
            android:name=".SecondActivity">
            <intent-filter>
                <action  android:name="com.PRG.SecondActivity"/>
                <category android:name="android.intent.category.DEFAULT"/>
            </intent-filter>
        </activity>
 <activity
            android:label="Third Activity"
            android:name=".ThirdActivity">
            <intent-filter>
                <action  android:name="com.PRG.SecondActivity"/>
                <category android:name="android.intent.category.DEFAULT"/>
            </intent-filter>
        </activity>
    </application>

</manifest>

StartActivity(new Intent("com.PRG.SecondActivity"));

<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:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.PRG.intent.MainActivity" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Second Activity" />
     <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Enter your name" />
      <EditText
        android:id="@+id/txt_username"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
         />
        <Button
        android:id="@+id/btn_ok"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="OK"
        android:onClick="onClick"
         />

</RelativeLayout>

package com.PRG.intent;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;

public class SecondActivity extends Activity {
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.secondactivity);
    }
    public void onClick(View view){
        Intent data = new Intent();
        
        EditText txt_username = (EditText) findViewById(R.id.txt_username);
        
        data.setData(Uri.parse(txt_username.getText().toString()));
        setResult(RESULT_OK, data);
        finish();
    }

}

package com.PRG.intent;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends Activity {

    private int request_Code=1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
    public void onClick(View view){
        //startActivity(new Intent("com.PRG.SecondActivity"));
        //or
        //startActivity(new Intent(this,SecondActivity.class));
        startActivityForResult(new Intent(
                "com.PRG.SecondActivity"),request_Code);
    }
    public void onActivityResult(int requestCode,int resultCode,Intent data){
        if(requestCode == requestCode){
            if(resultCode == RESULT_OK){
                Toast.makeText(this, data.getData().toString(), Toast.LENGTH_SHORT).show();
            }
        }
    }

}

startActivityForResult(new Intent(
                "com.PRG.SecondActivity"),request_Code);

Intent data = new Intent();
        
        EditText txt_username = (EditText) findViewById(R.id.txt_username);
        
        data.setData(Uri.parse(txt_username.getText().toString()));
        setResult(RESULT_OK, data);
        finish();
    }

public void onActivityResult(int requestCode,int resultCode,Intent data){
        if(requestCode == requestCode){
            if(resultCode == RESULT_OK){
                Toast.makeText(this, data.getData().toString(), Toast.LENGTH_SHORT).show();
            }
        }
    }