Java.lang.Throwable: addFocusables
06-12 12:12:55.506: E/ViewGroup(12260): child Null 3, this = android.widget.LinearLayout{41f69a98 V.E..... ......I. 0,0-504,288}
06-12 12:12:55.506: E/ViewGroup(12260): java.lang.Throwable: addFocusables
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3073)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.View.draw(View.java:14607)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.drawChild(ViewGroup.java:3252)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3070)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.View.draw(View.java:14607)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.drawChild(ViewGroup.java:3252)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3070)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.View.draw(View.java:14607)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.drawChild(ViewGroup.java:3252)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3070)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.View.draw(View.java:14747)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.View.draw(View.java:14612)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.drawChild(ViewGroup.java:3252)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3070)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.View.draw(View.java:14747)
06-12 12:12:55.506: E/ViewGroup(12260): at android.widget.FrameLayout.draw(FrameLayout.java:534)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.View.draw(View.java:14612)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.drawChild(ViewGroup.java:3252)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3070)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.View.draw(View.java:14607)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.drawChild(ViewGroup.java:3252)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3070)
06-12 12:12:55.506: E/ViewGroup(12260): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchDraw(PhoneWindow.java:2387)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.View.draw(View.java:14747)
06-12 12:12:55.506: E/ViewGroup(12260): at android.widget.FrameLayout.draw(FrameLayout.java:534)
06-12 12:12:55.506: E/ViewGroup(12260): at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2367)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewRootImpl.drawSoftware(ViewRootImpl.java:2841)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewRootImpl.draw(ViewRootImpl.java:2750)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2587)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2210)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1189)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6223)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:788)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.Choreographer.doCallbacks(Choreographer.java:591)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.Choreographer.doFrame(Choreographer.java:560)
06-12 12:12:55.506: E/ViewGroup(12260): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:774)
06-12 12:12:55.506: E/ViewGroup(12260): at android.os.Handler.handleCallback(Handler.java:808)
06-12 12:12:55.506: E/ViewGroup(12260): at android.os.Handler.dispatchMessage(Handler.java:103)
06-12 12:12:55.506: E/ViewGroup(12260): at android.os.Looper.loop(Looper.java:193)
06-12 12:12:55.506: E/ViewGroup(12260): at android.app.ActivityThread.main(ActivityThread.java:5304)
06-12 12:12:55.506: E/ViewGroup(12260): at java.lang.reflect.Method.invokeNative(Native Method)
06-12 12:12:55.506: E/ViewGroup(12260): at java.lang.reflect.Method.invoke(Method.java:515)
06-12 12:12:55.506: E/ViewGroup(12260): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:824)
06-12 12:12:55.506: E/ViewGroup(12260): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:640)
06-12 12:12:55.506: E/ViewGroup(12260): at dalvik.system.NativeStart.main(Native Method)
its code :-
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/bg"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:baselineAligned="true"
android:keepScreenOn="true"
android:orientation="horizontal" >
<LinearLayout
android:id="@+id/LL1"
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:orientation="horizontal" >
<LinearLayout
android:id="@+id/LL2"
android:layout_width="244dp"
android:layout_height="fill_parent"
android:layout_weight="0.97"
android:orientation="vertical"
android:weightSum="1" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="0.1" >
<com.androidplot.xy.XYPlot
android:id="@+id/Graphs"
android:layout_width="match_parent"
android:layout_height="match_parent"
androidPlot.domainLabelWidget.labelPaint.textSize="50dp"
androidPlot.graphWidget.backgroundPaint.color=" #000000"
androidPlot.graphWidget.gridBackgroundPaint.color="#000000"
androidPlot.graphWidget.paddingBottom="50dp"
androidPlot.graphWidget.paddingLeft="10dp"
androidPlot.graphWidget.paddingRight="20dp"
androidPlot.rangeLabelWidget.labelPaint.textSize="40dp"
androidPlot.titleWidget.labelPaint.textSize="100dp"
androidPlot.titleWidget.rangelabelPaint.textSize="200dp"
title="Pulse Scope" />
</LinearLayout>
<LinearLayout
android:id="@+id/LL21"
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:layout_weight="0.9"
android:orientation="horizontal"
android:weightSum="1"
android:focusable="true"
android:background="#738ffe">
<ImageView
android:id="@+id/ivxamp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/xamp"
android:focusable="true"/>
<TextView
android:id="@+id/tvxamp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:text=": 0.0"
android:focusable="true"/>
<ImageView
android:id="@+id/ivtime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/time"
android:focusable="true" />
<TextView
android:id="@+id/tvtime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:text=": 0.0"
android:focusable="true"/>
<ImageView
android:id="@+id/ivheartrate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/hr"
android:focusable="true" />
<TextView
android:id="@+id/tvheartrate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:text=": 0.0"
android:focusable="true"/>
<ImageView
android:id="@+id/ivmeanhr"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/mhr"
android:focusable="true"/>
<TextView
android:id="@+id/tvmeanhr"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:text=": 0.0"
android:focusable="true"/>
</LinearLayout>
</LinearLayout>
<ScrollView
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<LinearLayout
android:id="@+id/LL3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:orientation="vertical" >
<TextView
android:id="@+id/tvBluetooth"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Bluetooth"
android:textColor="@color/white"
android:textSize="14dp" />
<Button
android:id="@+id/bConnect"
android:layout_width="50dp"
android:layout_height="45dp"
android:layout_marginLeft="7dp"
android:background="@drawable/bconnect"
android:textColor="@color/white"
android:textSize="10dp" />
<Button
android:id="@+id/bDisconnect"
android:layout_width="50dp"
android:layout_height="45dp"
android:layout_marginLeft="7dp"
android:background="@drawable/bdisconnect"
android:textColor="@color/white"
android:textSize="10dp" />
<TextView
android:id="@+id/tvControl"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:text="Control"
android:textColor="@color/white"
android:textSize="15dp" />
<ToggleButton
android:id="@+id/tbStream"
android:layout_width="50dp"
android:layout_height="45dp"
android:layout_alignParentLeft="true"
android:layout_marginLeft="7dp"
android:background="@drawable/check"
android:checked="false"
android:textColor="@color/white"
android:textOff=""
android:textOn="" />
<ToggleButton
android:id="@+id/tbLock"
android:layout_width="65dp"
android:layout_height="70dp"
android:layout_alignParentLeft="true"
android:background="@drawable/check_lock"
android:checked="true"
android:textColor="@color/white"
android:textOff=""
android:textOn="" />
<Button
android:id="@+id/bInfo"
android:layout_width="50dp"
android:layout_height="45dp"
android:layout_marginLeft="7dp"
android:background="@drawable/info"
android:textColor="@color/white"
android:textSize="10dp" />
<Button
android:id="@+id/folder"
android:layout_width="50dp"
android:layout_height="45dp"
android:layout_marginLeft="7dp"
android:layout_marginTop="10dp"
android:background="@drawable/folder" />
<ProgressBar
android:id="@+id/progressBar1"
style="?android:attr/progressBarStyleLarge"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_centerHorizontal="true" />
</LinearLayout>
</ScrollView>
</LinearLayout>
</RelativeLayout>
I get this error every time hidden text views in my nested layouts. I think it might be due to too much nesting in linear layout, but I don't know what is actually the solution to cure it. I have tried adding setFocusable = "true" in each text view and line layout image view with id = LL21. so it would be kind enough if someone could help me
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