Android Intent传递对象小结

时间:2022-05-20 18:35:12

效果:

Android Intent传递对象小结Android Intent传递对象小结

Android Intent传递对象小结Android Intent传递对象小结

Android Intent传递对象小结

想看实例的,感兴趣的能够看之前的一篇文章

Android ViewPager Fragment实现选项卡

部分关键代码:

public class SerializeActivity extends Activity implements Serializable {

	Button btnlist, btnParcelable, btnSerialze;
private final String TAG = "SerializeActivity";
public final static String LIST_KEY = "ArrayList";
public final static String PAR_KEY = "parcelable";
public final static String SER_KEY = "serializable";
private static final long serialVersionUID = 1L; private ArrayList<String> m_list; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_serialize);
initView();
initlist();
}
/*
* 初始化视图
*/
public void initView() {
btnlist = (Button) findViewById(R.id.btnlist);
btnParcelable = (Button) findViewById(R.id.btnParcelable);
btnSerialze = (Button) findViewById(R.id.btnSerialze);
btnlist.setOnClickListener(btnlistener);
btnParcelable.setOnClickListener(btnlistener);
btnSerialze.setOnClickListener(btnlistener);
}
public void initlist() { m_list = new ArrayList<String>();
m_list.add("www.88ios.com");
m_list.add("Android移动开发");
m_list.add("IOS开发入门"); }
/*
* button点击事件
*/
OnClickListener btnlistener = new OnClickListener() { public void onClick(View v) {
switch (v.getId()) {
case R.id.btnlist: intentList();
break;
case R.id.btnParcelable: intentParcelabe();
break;
case R.id.btnSerialze: intentShowSer(); break;
}
}
};
/*
*
*/
public void intentList() {
Intent list_intent = new Intent();
list_intent.putStringArrayListExtra(LIST_KEY, m_list);
list_intent.setClass(SerializeActivity.this, ShowInfo.class);
startActivity(list_intent);
}
/*
*
*/
public void intentParcelabe() {
Student m_Student = new Student();
m_Student.setName("88ios.com");
m_Student.setAge(25);
m_Student.setSex("男");
Intent p_Intent = new Intent(SerializeActivity.this,
ShowParcelabe.class);
Bundle mBundle = new Bundle();
mBundle.putParcelable(PAR_KEY, m_Student);
p_Intent.putExtras(mBundle);
startActivity(p_Intent);
}
/*
*
*/
public void intentShowSer() {
final SerializableMap myMap = new SerializableMap(); List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
Map<String, Object> maplist;
Map<String, Object> paramMap4 = new HashMap<String, Object>(); paramMap4.put("name", "洪生鹏");
paramMap4.put("website", "www.88ios.com");
paramMap4.put("address", "广州");
myMap.setMap(paramMap4); SerializableMap serializableMap = (SerializableMap) myMap;
maplist = serializableMap.getMap();
list.add(maplist); Intent mIntent = new Intent(SerializeActivity.this, ShowSer.class);
Bundle mBundle = new Bundle(); mBundle.putSerializable("map", (Serializable) myMap);
//mBundle.putSerializable("map", (Serializable) list); mIntent.putExtras(mBundle);
startActivity(mIntent);
} }

ShowInfo.java

public class ShowInfo extends Activity {

	private Intent list_intent;
private ArrayList<String> m_arrayList;
private TextView textview; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_show_info); textview = (TextView) findViewById(R.id.textview);
StringBuffer sb = new StringBuffer(); list_intent = getIntent();
m_arrayList = list_intent.getExtras().getStringArrayList(
SerializeActivity.LIST_KEY);
m_arrayList.get(0); sb.append(m_arrayList.get(0) + " \n" + m_arrayList.get(1) + "\n"
+ m_arrayList.get(2)); textview.setText(sb);
} }

ShowParcelabe.java

public class ShowParcelabe extends Activity {
private TextView textview;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_show_parcelabe); textview = (TextView)findViewById(R.id.textview);
Student p_student = (Student)getIntent().getParcelableExtra(SerializeActivity.PAR_KEY);
textview.setText("姓名: " + p_student.getName()+"\n"+
"年龄: " + p_student.getAge() + "\n" +
"性别 : " + p_student.getSex() + "\n" +
"类:" + p_student.getClass());
} }

ShowSer.java

public class ShowSer extends Activity {
private TextView textview;
StringBuilder sb = new StringBuilder(); @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_show_ser);
textview = (TextView)findViewById(R.id.textview);
Map<String, Object> maplist;
Bundle bundle = getIntent().getExtras();
SerializableMap serializableMap = (SerializableMap) bundle.get("map");
maplist = serializableMap.getMap();
/*
for (String k : maplist.keySet()) {
Toast.makeText(this, "" + maplist.get(k), Toast.LENGTH_SHORT)
.show();
}
*/
Set set = maplist.entrySet();
Iterator it = set.iterator();
while (it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
String key = (String) entry.getKey();
String valu = (String) entry.getValue();
sb.append(key+" "+valu+"\n");
}
textview.setText(sb);
} }

转载请保留链接

http://hongshengpeng.com/article/show/271.aspx

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