Android初學第25天

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Android初學第25天

10_FragmentArguments

代碼CrimeFragment.java

package com.bignerdranch.android.criminalintent;import android.os.Bundle;import android.support.v4.app.Fragment;import android.text.Editable;import android.text.TextWatcher;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.Button;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.EditText;import java.util.UUID;import static android.widget.CompoundButton.*;public class CrimeFragment extends Fragment {    private static final String ARG_CRIME_ID = "crime_id";    private Crime mCrime;    private EditText mTitleField;    private Button mDateButton;    private CheckBox mSolvedCheckbox;    public static CrimeFragment newInstance(UUID crimeId) {        Bundle args = new Bundle();        args.putSerializable(ARG_CRIME_ID, crimeId);        CrimeFragment fragment = new CrimeFragment();        fragment.setArguments(args);        return fragment;    }    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        UUID crimeId = (UUID) getArguments().getSerializable(ARG_CRIME_ID);        mCrime = CrimeLab.get(getActivity()).getCrime(crimeId);    }    @Override    public View onCreateView(LayoutInflater inflater, ViewGroup container,                             Bundle savedInstanceState) {        View v = inflater.inflate(R.layout.fragment_crime, container, false);        mTitleField = (EditText) v.findViewById(R.id.crime_title);        mTitleField.setText(mCrime.getTitle());        mTitleField.addTextChangedListener(new TextWatcher() {            @Override            public void beforeTextChanged(CharSequence s, int start, int count, int after) {            }            @Override            public void onTextChanged(CharSequence s, int start, int before, int count) {                mCrime.setTitle(s.toString());            }            @Override            public void afterTextChanged(Editable s) {            }        });        mDateButton = (Button) v.findViewById(R.id.crime_date);        mDateButton.setText(mCrime.getDate().toString());        mDateButton.setEnabled(false);        mSolvedCheckbox = (CheckBox) v.findViewById(R.id.crime_solved);        mSolvedCheckbox.setChecked(mCrime.isSolved());        mSolvedCheckbox.setOnCheckedChangeListener(new OnCheckedChangeListener() {            @Override            public void onCheckedChanged(CompoundButton buttonView,                     boolean isChecked) {                mCrime.setSolved(isChecked);            }        });        return v;    }}

Android初學第25天