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Android Intent传递对象小结
来源:互联网   发布日期:2016-01-14 09:27:54   浏览:2303次  

导读:效果:想看实例的,感兴趣的可以看之前的一篇文章Android ViewPager Fragment实现选项卡部分关键代码:public class SerializeActi...

效果:

想看实例的,感兴趣的可以看之前的一篇文章

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 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();

m_list.add("www.88ios.com");

m_list.add("Android移动开发");

m_list.add("IOS开发入门");

}

/*

* 按钮点击事件

*/

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> list = new ArrayList>();

Map maplist;

Map paramMap4 = new HashMap();

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 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 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

源代码下载

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