java - 尝试为两个布局设置游标适配器，其中一个数据库使用 if 语句定义
问题描述
class TransactionCursorAdapter extends CursorAdapter {
public TransactionCursorAdapter(Context context, Cursor cursor) {
super (context, cursor, 0);
}
private final DateFormat DATE_FORMATTER = SimpleDateFormat.getDateInstance ();
static class ViewHolder {
public LinearLayout linear_expense1;
public LinearLayout linear_revenue1;
TextView nameField;
TextView valueField;
TextView dateField;
TextView budgetField;
ImageView receiptIcon;
TextView note;
View noteLayout;
TextView revenuenameField;
TextView phoneField;
TextView date1Field;
TextView budget1Field;
ImageView receiptIcon1;
TextView comment;
View commentLayout;
}
private int _transactionId;
private int _type;
private boolean _updateTransaction;
private boolean _viewTransaction;
private static final String TAG = "BudgetWatch";
private static final int REQUEST_IMAGE_CAPTURE = 1;
private static final int PERMISSIONS_REQUEST_CAMERA = 2;
static final String ACTION_NEW_EXPENSE = "ActionAddExpense";
static final String ACTION_NEW_REVENUE = "ActionAddRevenue";
private void extractIntentFields(Intent intent) {
final Bundle b = intent.getExtras ();
String action = intent.getAction ();
if (b != null) {
_transactionId = b.getInt ("id");
_type = b.getInt ("type");
_updateTransaction = b.getBoolean ("update", false);
_viewTransaction = b.getBoolean ("view", false);
} else if (action != null) {
_updateTransaction = false;
_viewTransaction = false;
if (action.equals (ACTION_NEW_EXPENSE)) {
_type = DBHelper.TransactionDbIds.EXPENSE;
} else if (action.equals (ACTION_NEW_REVENUE)) {
_type = DBHelper.TransactionDbIds.REVENUE;
} else {
Log.d (TAG, "Unsupported action '" + action + "', bailing");
finish ();
}
} else {
Log.d (TAG, "Launched TransactionViewActivity without arguments, bailing");
finish ();
}
}
private void finish() {
}
// The newView method is used to inflate a new view and return it,
// you don't bind any data to the view at this point.
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent)
{
View view = LayoutInflater.from(context).inflate(R.layout.transaction_layout, parent, false);
ViewHolder holder = new ViewHolder();
holder.linear_expense1 = (LinearLayout) view.findViewById (R.id.linear_expense1);
holder.linear_revenue1 = (LinearLayout) view.findViewById (R.id.linear_revenue1);
if (_type == DBHelper.TransactionDbIds.EXPENSE) {
holder.linear_expense1.setVisibility(View.VISIBLE);
holder.linear_revenue1.setVisibility(View.GONE);
}
if (_type == DBHelper.TransactionDbIds.REVENUE) {
holder.linear_expense1.setVisibility(View.GONE);
holder.linear_revenue1.setVisibility(View.VISIBLE);
} else {
holder.linear_expense1.setVisibility(View.VISIBLE);
holder.linear_revenue1.setVisibility(View.GONE);
}
holder.nameField = (TextView) view.findViewById(R.id.name);
holder.valueField = (TextView) view.findViewById(R.id.value)
;
holder.dateField = (TextView) view.findViewById(R.id.date);
holder.budgetField = (TextView) view.findViewById(R.id.budget);
holder.receiptIcon = (ImageView) view.findViewById(R.id.receiptIcon);
holder.note = (TextView) view.findViewById(R.id.note);
holder.noteLayout = view.findViewById(R.id.noteLayout);
holder.revenuenameField = (TextView) view.findViewById(R.id.revenuename);
holder.phoneField = (TextView) view.findViewById(R.id.phone);
holder.date1Field = (TextView) view.findViewById(R.id.date1);
holder.budget1Field = (TextView) view.findViewById(R.id.budget1);
holder.receiptIcon1 = (ImageView) view.findViewById(R.id.receiptIcon1);
holder.comment = (TextView) view.findViewById(R.id.comment);
holder.commentLayout = view.findViewById(R.id.commentLayout);
view.setTag(holder);
return view;
}
// The bindView method is used to bind all data to a given view
// such as setting the text on a TextView.
@Override
public void bindView(View view, Context context, Cursor cursor)
{
ViewHolder holder = (ViewHolder)view.getTag();
if (_type == DBHelper.TransactionDbIds.EXPENSE) {
holder.linear_expense1.setVisibility(View.VISIBLE);
holder.linear_revenue1.setVisibility(View.GONE);
}
if (_type == DBHelper.TransactionDbIds.REVENUE) {
holder.linear_expense1.setVisibility(View.GONE);
holder.linear_revenue1.setVisibility(View.VISIBLE);
} else {
holder.linear_expense1.setVisibility(View.VISIBLE);
holder.linear_revenue1.setVisibility(View.GONE);
}
// Extract properties from cursor
Transaction transaction = Transaction.toTransaction(cursor);
// Populate fields with extracted properties
holder.nameField.setText(transaction.description);
holder.valueField.setText(String.format(Locale.US, "%.2f", transaction.value));
// Populate fields with extracted properties
holder.revenuenameField.setText(transaction.description);
holder.phonenameField.setText(transaction.phone);
holder.budgetField.setText(transaction.budget);
holder.dateField.setText(DATE_FORMATTER.format(transaction.dateMs));
if(transaction.receipt.isEmpty())
{
holder.receiptIcon.setVisibility(View.GONE);
}
else
{
holder.receiptIcon.setVisibility(View.VISIBLE);
}
if(transaction.note.isEmpty())
{
holder.noteLayout.setVisibility(View.GONE);
holder.note.setText("");
}
else
{
holder.noteLayout.setVisibility(View.VISIBLE);
holder.note.setText(transaction.note);
}
if(transaction.comment.isEmpty())
{
holder.commentLayout.setVisibility(View.GONE);
holder.comment.setText("");
}
else
{
holder.commentLayout.setVisibility(View.VISIBLE);
holder.comment.setText(transaction.note);
}
}
}
--------- 崩溃开始
2020-05-27 15:42:14.929 4911-4911/protect.budgetwatch E/AndroidRuntime: FATAL EXCEPTION: main
Process: protect.budgetwatch, PID: 4911
java.util.IllegalFormatConversionException: f != java.lang.String
at java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:4135)
at java.util.Formatter$FormatSpecifier.printFloat(Formatter.java:2845)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:2792)
at java.util.Formatter.format(Formatter.java:2491)
at java.util.Formatter.format(Formatter.java:2426)
at java.lang.String.format(String.java:2670)
at protect.budgetwatch.TransactionCursorAdapter.bindView(TransactionCursorAdapter.java:173)
at android.widget.CursorAdapter.getView(CursorAdapter.java:289)
at android.widget.AbsListView.obtainView(AbsListView.java:2362)
at android.widget.ListView.makeAndAddView(ListView.java:1970)
at android.widget.ListView.fillDown(ListView.java:704)
at android.widget.ListView.fillFromTop(ListView.java:765)
at android.widget.ListView.layoutChildren(ListView.java:1744)
at android.widget.AbsListView.onLayout(AbsListView.java:2161)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1079)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at androidx.viewpager.widget.ViewPager.onLayout(ViewPager.java:1775)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1079)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at
com.google.android.material.appbar.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:148)
at
com.google.android.material.appbar.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:43)
at
com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.jav
a:1892)
at androidx.coordinatorlayout.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:918)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1741)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1585)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1494)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1741)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1585)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1494)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
at com.android.internal.policy.DecorView.onLayout(DecorView.java:724)
at android.view.View.layout(View.java:17523)
at android.view.ViewGroup.layout(ViewGroup.java:5612)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2342)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2069)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1246)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6301)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:871)
at android.view.Choreographer.doCallbacks(Choreographer.java:683)
at android.view.Choreographer.doFrame(Choreographer.java:619)
2020-05-27 15:42:14.930 4911-4911/protect.budgetwatch E/AndroidRuntime: at
android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:857)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:756)
解决方案
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