package com.pingyijinren.helloworld.activity; import android.app.TimePickerDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TimePicker; import android.widget.Toast; import com.pingyijinren.helloworld.R; public class MainActivity extends AppCompatActivity implements View.OnClickListener { private Button button; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button=(Button)findViewById(R.id.button); button.setOnClickListener(this); } @Override public void onClick(View v) { TimePickerDialog timePickerDialog=new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() { @Override public void onTimeSet(TimePicker view, int hourOfDay, int minute) { Toast.makeText(MainActivity.this,hourOfDay+"/"+minute,Toast.LENGTH_SHORT).show(); } },15,58,true); timePickerDialog.show(); } }