BSL/MainActivity.java at master · masumbillah74/BSL · GitHub

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package com.example.Fazlay_Rabbi.banglaSignLanguage;

import android.content.pm.ActivityInfo;
import android.graphics.Color;
import android.os.Build;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import com.example.Fazlay_Rabbi.camerawork_signlanguage.R;

/**
 * Created by Fazlay_Rabbi on 11/23/2017.
 */


public class MainActivity extends AppCompatActivity
{
    FragmentManager fragmentManager;
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {

        super.onCreate(savedInstanceState);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        changeStatusBarColor();

        fragmentManager = getSupportFragmentManager();
        setContentView(R.layout.holder);

        showHomePage();

    }


    public void showHomePage()
    {

        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
        homepageFragment fragment = new homepageFragment();
        fragmentTransaction.replace(R.id.container, fragment);
        fragmentTransaction.commit();

    }

    private void changeStatusBarColor()
    {

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
        {

            Window window = getWindow();
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setStatusBarColor(Color.TRANSPARENT);
            getWindow().getDecorView().setSystemUiVisibility(
                              View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                            | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                            | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                            | View.SYSTEM_UI_FLAG_FULLSCREEN
                            | View.SYSTEM_UI_FLAG_IMMERSIVE);
        }
    }

}