Android初學第36天

12_DateDialog

代碼

CrimeLab.java

package com.bignerdranch.android.criminalintent;import android.content.Context;import java.util.ArrayList;
import java.util.List;
import java.util.UUID;public class CrimeLab {private static CrimeLab sCrimeLab;private List<Crime> mCrimes;public static CrimeLab get(Context context) {if (sCrimeLab == null) {sCrimeLab = new CrimeLab(context);}return sCrimeLab;}private CrimeLab(Context context) {mCrimes = new ArrayList<>();for (int i = 0; i < 100; i++) {Crime crime = new Crime();crime.setTitle("Crime #" + i);crime.setSolved(i % 2 == 0);mCrimes.add(crime);}}public List<Crime> getCrimes() {return mCrimes;}public Crime getCrime(UUID id) {for (Crime crime : mCrimes) {if (crime.getId().equals(id)) {return crime;}}return null;}
}

CrimeListActivity.java

package com.bignerdranch.android.criminalintent;import android.support.v4.app.Fragment;public class CrimeListActivity extends SingleFragmentActivity {@Overrideprotected Fragment createFragment() {return new CrimeListFragment();}
}

轉載于:https://www.cnblogs.com/zhouheng0918/p/9212913.html

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