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Android Java

Remove Android Studio

rm -Rf /Applications/Android\ Studio.app
rm -Rf ~/Library/Preferences/AndroidStudio*
rm -Rf ~/Library/Preferences/com.google.android.*
rm -Rf ~/Library/Preferences/com.android.*
rm -Rf ~/Library/Application\ Support/AndroidStudio*
rm -Rf ~/Library/Logs/AndroidStudio*
rm -Rf ~/Library/Caches/AndroidStudio*
rm -Rf ~/.AndroidStudio*
rm -Rf ~/.gradle
rm -Rf ~/.android
rm -Rf ~/Library/Android*

Tags: 
Android Java

Objects Without xml

in activity

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


        DisplayMetrics displayMetrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
        float height = displayMetrics.heightPixels;
        float width = displayMetrics.widthPixels;

        RelativeLayout myLayout = new RelativeLayout(this);
        myLayout.setBackgroundColor(Color.BLUE);

        Button myButton = new Button(this);
        myButton.setText("Press me");
        myButton.setBackgroundColor(Color.YELLOW);
        float w = (width*(float)0.3);
        myButton.setLayoutParams(new RelativeLayout.LayoutParams((int)w, (int)w));
        myButton.setX(width*(float)0.1);
        myButton.setY(width*(float)0.1);

        myLayout.addView(myButton);
        setContentView(myLayout);
    }

Tags: 
Android Java
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