Android开发闹钟(详细开发步骤).docVIP

一、MainActivity中的代码： package .daming; import java.util.Calendar; import android.app.Activity; import android.app.AlarmManager; import android.app.AlertDialog; import android.app.PendingIntent; import android.app.TimePickerDialog; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.TimePicker; import android.widget.Toast; public class MainActivity extends Activity { TextView setTime1; TextView setTime2; TextView setTime3; Button mButton1; Button mButton2; Button mButton3; Button mButton4; Button mButton5; Button mButton6; String time1String = null; String time2String = null; String time3String = null; String defalutString = 目前无设置; AlertDialog builder = null; Calendar c=Calendar.getInstance(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //取得活动的Preferences对象 SharedPreferences settings = getPreferences(Activity.MODE_PRIVATE); time1String = settings.getString(TIME1, defalutString); time2String = settings.getString(TIME2, defalutString); time3String = settings.getString(TIME3, defalutString); InitButton1(); InitButton2(); InitButton3(); InitButton4(); InitButton5(); InitButton6(); setTime1.setText(time1String); setTime3.setText(time2String); setTime2.setText(time3String); } public void InitButton1() { setTime1=(TextView) findViewById(R.id.setTime1); mButton1=(Button)findViewById(R.id.mButton1); mButton1.setOnClickListener(new Vie