[Android] Development Day Nineth

The following code uses code entirely to control the UI interface and is not recommended.

 PackageCom.oazzz.test2;Importandroid.graphics.LinearGradient;Importandroid.support.v7.app.AppCompatActivity;ImportAndroid.os.Bundle;ImportAndroid.view.View;ImportAndroid.view.ViewGroup;ImportAndroid.widget.Button;Importandroid.widget.LinearLayout;ImportAndroid.widget.TextView; Public classMainactivityextendsappcompatactivity {@Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate); //Setcontentview (R.layout.activity_main); //Create a linear layout managerLinearLayout layout =NewLinearLayout ( This); //Set the Activity display layout        Super. Setcontentview (layout);        Layout.setorientation (linearlayout.vertical); //Create a TextView        FinalTextView show =NewTextView ( This); //Create a buttonButton bn =NewButton ( This); Bn.settext ("OK"); Bn.setlayoutparams (Newviewgroup.layoutparams (ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRA        P_content)); //adding TextView to the layout containerLayout.addview (show); //Add a button to the layout containerLayout.addview (BN); //binding an event listener for a buttonBn.setonclicklistener (NewView.onclicklistener () {@Override Public voidOnClick (view view) {Show.settext ("Triggered a click event! "+Newjava.util.Date ());    }        }); }}

[Android] Development Day Nineth