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WearableListView NullpointerException...
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NOTE: After clicking on the top part of the screen (empty space above "Item 0"): | |
java.lang.NullPointerException | |
at android.support.wearable.view.WearableListView.checkForTap(WearableListView.java:283) | |
at android.support.wearable.view.WearableListView.handleTouchUp(WearableListView.java:404) | |
at android.support.wearable.view.WearableListView.onTouchEvent(WearableListView.java:199) | |
at android.view.View.dispatchTouchEvent(View.java:7846) | |
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2209) | |
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1944) | |
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2215) | |
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1958) | |
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2215) | |
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1958) | |
at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2085) | |
at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1532) | |
at android.app.Activity.dispatchTouchEvent(Activity.java:2468) | |
at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2033) | |
at android.view.View.dispatchPointerEvent(View.java:8026) | |
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:3989) | |
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3868) | |
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3433) | |
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3483) | |
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3452) | |
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3559) | |
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3460) | |
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3616) | |
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3433) | |
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3483) | |
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3452) | |
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3460) | |
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3433) | |
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5589) | |
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5569) | |
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5540) | |
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5669) | |
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185) | |
at android.os.MessageQueue.nativePollOnce(Native Method) | |
at android.os.MessageQueue.next(MessageQueue.java:138) | |
at android.os.Looper.loop(Looper.java:123) | |
at android.app.ActivityThread.main(ActivityThread.java:5026) | |
at java.lang.reflect.Method.invokeNative(Native Method) | |
at java.lang.reflect.Method.invoke(Method.java:515) | |
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777) | |
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602) | |
at dalvik.system.NativeStart.main(Native Method) |
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import android.app.Activity; | |
import android.os.Bundle; | |
import android.support.wearable.view.WearableListView; | |
import android.view.LayoutInflater; | |
import android.view.View; | |
import android.view.ViewGroup; | |
import android.widget.TextView; | |
public class WearableListViewActivity extends Activity { | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
final WearableListView wearableListView = new WearableListView(this); | |
wearableListView.setAdapter(new WearableListAdapter()); | |
setContentView(wearableListView); | |
} | |
public class WearableListAdapter extends WearableListView.Adapter { | |
private final String[] items = { "Item 0", "Item 1", "Item 2" }; | |
@Override | |
public int getItemCount() { | |
return items.length; | |
} | |
@Override | |
public WearableListView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { | |
final View view = LayoutInflater.from(parent.getContext()).inflate(android.R.layout.simple_list_item_1, parent, false); | |
return new WearableListView.ViewHolder(view); | |
} | |
@Override | |
public void onBindViewHolder(WearableListView.ViewHolder viewHolder, int position) { | |
((TextView)viewHolder.itemView).setText(items[position]); | |
} | |
} | |
} |
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Solution to this problem: just set empty ClickListener. Without setting one WearableListView will throw NullPointerException when clicking on top empty space:\