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View Code? Open in Web Editor NEWSlimChart is a light and easy to use chart library for Android.
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Defining textcolor inside RecyclerView Adapter causes Resources$NotFoundException
Hi,
I'm trying to define a SlimChart for each item on a RecyclerView. I need to define the text color of the chart based on a few parameters that relies on each item.
Here is the code inside the RecyclerView Adapter:
@Override
public void onBindViewHolder(@NonNull SubjectGradeLineHolder holder, int position) {
float obtainedGrade = mSubjects.get(position).getObtainedGrade();
float maximumGrade = mSubjects.get(position).getMaximumGrade();
SlimChart gradeChart = holder.gradeChart;
int dangerColor = holder.itemView.getResources().getColor(R.color.slimchart_danger_color);
int warningColor = holder.itemView.getResources().getColor(R.color.slimchart_warning_color);
int okColor = holder.itemView.getResources().getColor(R.color.slimchart_ok_color);
obtainedGrade = 75;
maximumGrade = 100;
float averageGradePercentage = obtainedGrade / maximumGrade * 100;
final float[] stats = new float[4];
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(holder.itemView.getContext());
Integer dangerGradePercentage = sharedPreferences.getInt("minimumPercentage",60);
Integer DANGER_WARNING_THRESHOLD = 10;
Integer warningGradePercentage = dangerGradePercentage + DANGER_WARNING_THRESHOLD;
holder.subjectName.setText(mSubjects.get(position).getName());
String gradeText = obtainedGrade + " " +
holder.itemView.getContext().getResources().getString(R.string.out_of) + " " +
maximumGrade;
holder.gradeText.setText(gradeText);
holder.subjectName.setText(mSubjects.get(position).getName());
String gradeChartText;
if(maximumGrade != 0) {
gradeChartText = String.valueOf(Math.round(averageGradePercentage)) + "%";
} else {
gradeChartText = "0%";
}
gradeChart.setText(gradeChartText);
// Create color array for slimChart
int[] graphColors = new int[4];
if(averageGradePercentage >= warningGradePercentage) { // If grade is in "safe zone"
graphColors[0] = okColor;
graphColors[1] = warningColor;
graphColors[2] = dangerColor;
stats[0] = averageGradePercentage;
stats[1] = warningGradePercentage;
stats[2] = dangerGradePercentage;
gradeChart.setTextColor(Color.GREEN);
} else if (averageGradePercentage >= dangerGradePercentage && averageGradePercentage < warningGradePercentage) {
graphColors[0] = warningColor;
graphColors[1] = dangerColor;
gradeChart.setColors(graphColors);
stats[0] = averageGradePercentage;
stats[1] = dangerGradePercentage;
} else {
graphColors[0] = dangerColor;
stats[0] = averageGradePercentage;
}
gradeChart.setColors(graphColors);
gradeChart.setStats(stats);
//Play animation
gradeChart.setStartAnimationDuration(2000);
gradeChart.playStartAnimation();
}
Here is the stacktrace for the error:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: calegari.murilo.agendaescolar, PID: 6486
android.content.res.Resources$NotFoundException: Resource ID #0xff00ff00
at android.content.res.ResourcesImpl.getValue(ResourcesImpl.java:216)
at android.content.res.Resources.getColor(Resources.java:964)
at android.content.Context.getColor(Context.java:588)
at androidx.core.content.ContextCompat.getColor(ContextCompat.java:514)
at com.mancj.slimchart.SlimChart.setTextColor(SlimChart.java:251)
at calegari.murilo.agendaescolar.gradehelper.SubjectGradeLineAdapter$override.onBindViewHolder(SubjectGradeLineAdapter.java:89)
at calegari.murilo.agendaescolar.gradehelper.SubjectGradeLineAdapter$override.access$dispatch(Unknown Source:124)
at calegari.murilo.agendaescolar.gradehelper.SubjectGradeLineAdapter.onBindViewHolder(Unknown Source:29)
at calegari.murilo.agendaescolar.gradehelper.SubjectGradeLineAdapter.onBindViewHolder(SubjectGradeLineAdapter.java:20)
at androidx.recyclerview.widget.RecyclerView$Adapter.onBindViewHolder(RecyclerView.java:6781)
at androidx.recyclerview.widget.RecyclerView$Adapter.bindViewHolder(RecyclerView.java:6823)
at androidx.recyclerview.widget.RecyclerView$Recycler.tryBindViewHolderByDeadline(RecyclerView.java:5752)
at androidx.recyclerview.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:6019)
at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5858)
at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5854)
at androidx.recyclerview.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2230)
at androidx.recyclerview.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1557)
at androidx.recyclerview.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1517)
at androidx.recyclerview.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:612)
at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3924)
at androidx.recyclerview.widget.RecyclerView.dispatchLayout(RecyclerView.java:3641)
at androidx.recyclerview.widget.RecyclerView.onLayout(RecyclerView.java:4194)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at androidx.constraintlayout.widget.ConstraintLayout.onLayout(ConstraintLayout.java:1961)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at com.google.android.material.appbar.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:148)
at com.google.android.material.appbar.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:41)
at com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1633)
at androidx.coordinatorlayout.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:888)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at androidx.drawerlayout.widget.DrawerLayout.onLayout(DrawerLayout.java:1231)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1791)
E/AndroidRuntime: at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1635)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1544)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1791)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1635)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1544)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
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:944)
at android.view.View.layout(View.java:20836)
at android.view.ViewGroup.layout(ViewGroup.java:6401)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2948)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2635)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1779)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:7810)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:911)
at android.view.Choreographer.doCallbacks(Choreographer.java:723)
at android.view.Choreographer.doFrame(Choreographer.java:658)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:897)
at android.os.Handler.handleCallback(Handler.java:789)
at android.os.Handler.dispatchMessage(Handler.java:98)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6938)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:327)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1374)
Feature Request: Automatically Sort and Normalize Stat Numbers
Wow, this library is amazing. I love the logo!
There is a slight problem with using this library. The user is required to calculate and normalize values before passing them to the library. Instead the logic should be internalized in the library.
The library uses 100 as the value for a full circle. For the chart to display correctly, the user is required to set their maximum value as 100 and calculate the relationship of the other stat numbers from there. Also, the library does not sort the numbers from highest to lowest so the user is required to sort their stats first. All this logic is common to every project that uses this library so it should be internalized.
I am guessing that you have this logic created so I am creating this issue to bring it to your attention. If not, I can write the logic and make a PR.
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