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您是否只能爲每個對象設置一個標籤？我在自定義適配器類中有一個getView方法，我想將幾條數據傳遞給我的onClick函數。我能傳遞一個字符串很好，但我也想在位置變量傳遞並不能弄清楚如何使用標籤在方法之間傳遞數據
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View row = convertView;
if (row == null) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
row = inflater.inflate(R.layout.screen_grid_date, parent, false);
}
gridcell = (Button) row.findViewById(R.id.calendarDayButton);
gridcell.setOnClickListener(this);
gridcell.setTag("October");//This one gets passed fine
gridcell.setTag(position);//How can I pass this one as well??
return row;
}
@Override
public void onClick(View view) {
String getString = (String) view.getTag();
int getInt = (int) view.getTag();
selectedDay.setText(getString);
}
我試着像一個指標設置標籤：
gridcell.setTag(1, "October");
gridcell.setTag(2, position);
但應用程序不斷崩潰：
10-05 16:02:05.599 14723-14723/com.markfeldman.mycalendar E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.markfeldman.mycalendar, PID: 14723
java.lang.IllegalArgumentException: The key must be an application-specific resource id.
at android.view.View.setTag(View.java:17297)
at com.markfeldman.mycalendar.GridCellAdapter.getView(GridCellAdapter.java:173)
at android.widget.AbsListView.obtainView(AbsListView.java:2347)
at android.widget.GridView.onMeasure(GridView.java:1060)
at android.view.View.measure(View.java:17547)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
at android.view.View.measure(View.java:17547)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:436)
at android.view.View.measure(View.java:17547)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
at android.view.View.measure(View.java:17547)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:436)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2615)
at android.view.View.measure(View.java:17547)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2015)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1173)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1379)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5885)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
at android.view.Choreographer.doCallbacks(Choreographer.java:580)
at android.view.Choreographer.doFrame(Choreographer.java:550)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5257)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
你需要自己寫...'setTag（instanceOfYourObjectWhichContainsAllDataThatYouNeed）' – Selvin