مشکل بالا آمدن فقط یک صفحه سفید در برنامه .. و اجرا نشدن

secend_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:weightSum="1">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="200px">

        <EditText
            android:id="@+id/goodedits"
            android:layout_width="150px"
            android:layout_height="100px"
            android:layout_gravity="center"
            android:layout_marginLeft="50px" />

        <!--android:layout_marginLeft=10px"-->


        <TextView
            android:id="@+id/textView"
            android:layout_width="80px"
            android:layout_height="130px"
            android:layout_gravity="center"
            android:layout_marginLeft="140px"
            android:layout_marginRight="80px"
            android:layout_weight="0.03"
            android:background="@drawable/shape"
            android:fontFamily="serif"
            android:padding="15px"
            android:text=""
            android:textAlignment="center"
            android:textColor="#fff"
            android:textSize="30px" />


    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="200px">

        <EditText
            android:id="@+id/Badedits"
            android:layout_width="150px"
            android:layout_height="100px"
            android:layout_gravity="center"
            android:layout_marginLeft="50px" />

        <!--android:layout_marginLeft=10px"-->


        <TextView
            android:id="@+id/textView1"
            android:layout_width="80px"
            android:layout_height="130px"
            android:layout_gravity="center"
            android:layout_marginLeft="140px"
            android:layout_marginRight="80px"
            android:layout_weight="0.02"
            android:background="@drawable/shape"
            android:fontFamily="serif"
            android:padding="15px"
            android:text=""
            android:textAlignment="center"
            android:textColor="#fff"
            android:textSize="30px" />


    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="horizontal">

        <Button
            android:id="@+id/btnSave"
            android:layout_width="250px"
            android:layout_height="100px"
            android:text="ذخیره"
            android:textSize="40px"
            android:layout_marginLeft="20pt"
            android:layout_marginTop="450px" />

        <Button
            android:id="@+id/btn2"
            android:layout_width="250px"
            android:layout_height="100px"
            android:text="ادامه"
            android:textSize="40px"
            android:layout_marginLeft="20pt"
            android:layout_marginTop="450px" />


    </LinearLayout>
</LinearLayout>

theird_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">

</LinearLayout>

splashActivity.java

package com.example.lenovo.activity;

import android.Manifest;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;

import com.example.lenovo.activity.Helper.RequestHelper;
import com.example.lenovo.activity.main.G;

public class SplashActivity extends AppCompatActivity {


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

        requestForWriteSDCardPermission();
//        OpenMainActivity();
    }

    private void OpenMainActivity() {
        Intent intent = new Intent(this, MainActivity.class);
        this.startActivity(intent);
        this.finish();
    }


    ////----WRITE_EXTERNAL_STORAGE----////


    private void requestForWriteSDCardPermission() {
        RequestHelper request = new RequestHelper(this);
        RequestHelper.OnGrantedListener onGrantedListener = new RequestHelper.OnGrantedListener() {
            @Override
            public void onGranted() {
                G.app.createAppDirectories();
                OpenMainActivity();
            }
        };
        RequestHelper.OnAlreadyGrantedListener onAlreadyGrantedListener = new RequestHelper.OnAlreadyGrantedListener() {
            @Override
            public void onAlreadyGranted() {
                G.app.createOROpenDatabace();
                OpenMainActivity();

            }
        };
        RequestHelper.OnDeniedListener onDeniedListener = new RequestHelper.OnDeniedListener() {
            @Override
            public void onDenied() {
                new AlertDialog.Builder(SplashActivity.this)
                        .setTitle("Permission Requerd")
                        .setMessage("Writing to SDCARD is requred for app")
                        .setPositiveButton("Ask me again", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialogInterface, int i) {
                                requestForWriteSDCardPermission();
                            }
                        })
                        .create()
                        .show();
            }
        };
        request.request(Manifest.permission.WRITE_EXTERNAL_STORAGE, onGrantedListener, onDeniedListener, onAlreadyGrantedListener);
    }

///--- answer ----////

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        RequestHelper.onRequestPermissionResult(requestCode, permissions, grantResults);
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    }


}