问题描述
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我有一个带有4个标签的TabActivity。当单击选项卡中一个选项卡上的按钮并启动新的Activity（不在TabHost内的新Activity）时，新Activity不注册OnClick（）。新的Activity甚至无法显示Toast，这让我认为TabHost某种程度上阻止了ui？
将“活动”作为选项卡之一时，OnClick可以正常工作。
任何想法是什么原因？
我提供了3个课程：
1）TabActivity
2）开始的标签中的活动：
3）无法注册OnClick（）的新活动
1）TabActivity：
public class OverView extends TabActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_overview);
/** TabHost will have Tabs */
TabHost tabHost = (TabHost)findViewById(android.R.id.tabhost);
/** TabSpec used to create a new tab.
* By using TabSpec only we can able to setContent to the tab.
* By using TabSpec setIndicator() we can set name to tab. */
/** tid1 is firstTabSpec Id. Its used to access outside. */
TabSpec Search = tabHost.newTabSpec(\"tid1\");
TabSpec AllArtists = tabHost.newTabSpec(\"tid1\");
TabSpec Favorites = tabHost.newTabSpec(\"tid1\");
TabSpec About = tabHost.newTabSpec(\"tid1\");
/** TabSpec setIndicator() is used to set name for the tab. */
Search. setIndicator(\"Search\");
AllArtists. setIndicator(\"AllArtists\");
Favorites. setIndicator(\"Favorites\");
About. setIndicator(\"About\");
/** TabSpec setContent() is used to set content for a particular tab. */
Search.setContent (new Intent(this,Search.class));
AllArtists.setContent (new Intent(this,AllArtists.class));
Favorites.setContent (new Intent(this,Favorites.class));
About.setContent (new Intent(this,About.class));
/** Add tabSpec to the TabHost to display. */
tabHost.addTab(Search);
tabHost.addTab(AllArtists);
tabHost.addTab(Favorites);
tabHost.addTab(About);
}
}
public class AllArtists extends Activity {
// Debug
private final String TAG = this.getClass().getSimpleName();
// XML
EditText searchBox;
ListView listView;
// Adapter
ListAdapter listAdapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_allartists);
listAdapter = new ListAdapter(this,null);
// XML
listView = (ListView)findViewById(R.id.allartists_listview);
searchBox = (EditText)findViewById(R.id.allartists_searchbox);
listView.setAdapter(listAdapter);
listView.setFastScrollEnabled(true);
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent,View view,int position,long id) {
String memberID = (String)listAdapter.getID(position).toString();
if (!memberID.equals(\"HEADER\")){
Log.d(TAG,\"Jumping to Artists.class\");
Intent intentArtist = new Intent (AllArtists.this,Artist.class);
intentArtist.putExtra(\"ID\",memberID);
startActivity(intentArtist);
}
}
});
}
public class Artist extends Activity implements OnClickListener{
// Debug
private final String TAG = this.getClass().getSimpleName();
// XML
Button favorite_btn;
LinearLayout tel;
LinearLayout mob;
LinearLayout email;
LinearLayout www1;
LinearLayout www2;
LinearLayout add;
TextView name_tv;
TextView tel_tv;
TextView mob_tv;
TextView email_tv;
TextView www_tv1;
TextView www_tv2;
// Strings
String memberID;
String sirName;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_artist);
Toast.makeText(this,\"OK,your in Activity_Artist..\",Toast.LENGTH_SHORT);
// XML
favorite_btn = (Button)findViewById(R.id.artist_ib_favorite);
tel = (LinearLayout)findViewById(R.id.artist_tel_container);
mob = (LinearLayout)findViewById(R.id.artist_mob_container);
email = (LinearLayout)findViewById(R.id.artist_email_container);
www1 = (LinearLayout)findViewById(R.id.artist_www_container1);
www2 = (LinearLayout)findViewById(R.id.artist_www_container2);
add = (LinearLayout)findViewById(R.id.artist_add_container);
name_tv = (TextView)findViewById(R.id.artist_tv_name);
tel_tv = (TextView)findViewById(R.id.artist_tel_dynamic);
mob_tv = (TextView)findViewById(R.id.artist_mob_dynamic);
email_tv = (TextView)findViewById(R.id.artist_email_dynamic);
www_tv1 = (TextView)findViewById(R.id.artist_www_dynamic1);
www_tv2 = (TextView)findViewById(R.id.artist_www_dynamic2);
// OnClickListeners
favorite_btn.setOnClickListener(this);
tel.setOnClickListener(this);
mob.setOnClickListener(this);
email.setOnClickListener(this);
www1.setOnClickListener(this);
www2.setOnClickListener(this);
add.setOnClickListener(this);
// Code here to get memberID for fillContent()
}
private void fillContent(String memberID) throws JSONException {
// Code here to fill the TextViews etc with content from the DataBase.
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.artist_ib_favorite:
Toast.makeText(this,\"onClick\",Toast.LENGTH_SHORT);
Log.d(TAG,\"Neo is attempting to insert member into favorites\");
MyDB db = new MyDB(this);
db.insertFavorite(memberID,sirName);
break;
case R.id.artist_tel_container:
break;
case R.id.artist_mob_container:
Log.d(TAG,\"OMG CLICKED THE MOBILE!\");
break;
case R.id.artist_email_container:
break;
case R.id.artist_www_container1:
break;
case R.id.artist_add_container:
break;
}
}
解决方法
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