Android emulator freezes at startup create new virtual device

 <manifest xmlns:android="//schemas.android.com/apk/res/android"
    package="com.myweb.mypackage"
    android:installLocation="preferExternal"

static boolean mbThemeLight = false;

 @Override
    public void onCreate(Bundle savedInstanceState) {
         if(mbThemeLight)
        setTheme(android.R.style.Theme_Light);
        super.onCreate(savedInstanceState);
        // bla bla bla..........
    }

private void switchTheme(){
 mbThemeLight = true;
 this.recreate();
}

public class MainActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        LinearLayout layout = (LinearLayout) findViewById(R.id.layout);
            TextView textView = new TextView(this);
            textView.setText("Text View ");
            LinearLayout.LayoutParams p = new LinearLayout.LayoutParams(
                    LinearLayout.LayoutParams.FILL_PARENT,
                    LinearLayout.LayoutParams.WRAP_CONTENT
            );
            layout.addView(textView, p);

            Button buttonView = new Button(this);
            buttonView.setText("Button");
            buttonView.setOnClickListener(mThisButtonListener);
            layout.addView(buttonView, p);
        
    }
    private OnClickListener mThisButtonListener = new OnClickListener() {
        public void onClick(View v) {
            Toast.makeText(MainActivity.this, "Hello !",
                    Toast.LENGTH_LONG).show();
        }
    };
}

1. File->Project Structure Ctrl + Alt + Shift + S



2. Select module and Dependencies Tab



3. Click on + PLUS button (right upper corner)



4. Select library


Click OK, OK