root-ansh

public class LoginActivity extends AppCompatActivity {

    private static final int RC_SIGN_IN = 343;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

root-ansh

public class ToolbarAlphaScrollBehavior extends CoordinatorLayout.Behavior<android.support.v7.widget.Toolbar> {
    private ColorDrawable mStatusBarColorDrawable;
    private int mStatusBarColor;
    private TextView mTitleView;
    private boolean searchedForTitleView = false;

    public ToolbarAlphaScrollBehavior(Context context, AttributeSet attrs) {
        super(context, attrs);
        mStatusBarColor =  ContextCompat.getColor(context, R.color.primary_dark);
        mStatusBarColor = getColorWithAlpha(0, mStatusBarColor);

root-ansh

class NougatNotifications {

	
	/*===============================================================================================*
	 *========================================== STEP 1 =============================================*		
	 *    	 Bundled notification only works on Android N (API level 24) and above. 
	 *	 So, you may want to check the platform version everywhere. 
	 *===============================================================================================*/
	void step1() {
		boolean isBundledNotification = Build.VERSION.SDK_INT >= Build.VERSION_CODES.N;

root-ansh

<!-- styles.xml -->
<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

root-ansh

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

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

root-ansh

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ...
        ...
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        final LinearLayout holder=findViewById(R.id.holder);

root-ansh

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        ...
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {

root-ansh

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    ...
                                                     >

    <com.google.android.material.appbar.AppBarLayout
        ...
                                                     >

root-ansh

public class MainActivity extends AppCompatActivity {
    ImageView ivTemp;
    Button btCallCameraThumbnail;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        ivTemp = findViewById(R.id.iv_tmpcheck);

root-ansh

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="z.y.x.camera">

    <uses-feature
        android:name="android.hardware.camera.any"
        android:required="true" />
    ...
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher" ...>