Исключение
java.lang.RuntimeException: Невозможно запустить действие ComponentInfo {com.example.kraassismentdashbordfragment / com.example.kraassismentdashbordf
Я создал круговую диаграмму, используя активность в Android, но сейчас я пытаюсь создать PiChart, используя фрагмент в Android.
Мое приложение было разбито. но попробуйте решить эту проблему. Я получил исключение: для класса не найдено исключение
1.fragment_kraassismentdsgarboard.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:weightSum="2"
tools:context=".KRAassismentdsgarboardFragmentClass">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/overal_status"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Overall Status"
android:textAlignment="center"
android:textSize="20dp"
android:textStyle="bold" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.example.kraassismentdashboard.PiChart
android:id="@+id/id_pichart"
android:layout_width="300dp"
android:layout_height="300dp"
android:layout_centerInParent="true"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:textColor="#fff"
android:text=" 0.83%" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/self_assisment_status"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Self-Assisment-Status"
android:textAlignment="center"
android:textSize="20dp"
android:textStyle="bold" />
</LinearLayout>
</LinearLayout>
activity_main.xml
<fragment
android:id="@+id/fragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:name="com.example.kraassismentdashbordfragment.KRAassismentdsgarboardFragmentClass"
tools:layout="@layout/fragment_kraassismentdsgarboard" />
MainActivity.Java
package com.example.kraassismentdashbordfragment;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
//Fragment fragment =null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
KRAassismentdsgarboardFragmentClass kraFragment = new KRAassismentdsgarboardFragmentClass();
loadFragment(kraFragment);
}
private void loadFragment(Fragment fragment){
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction=fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.fragment,fragment);
fragmentTransaction.commit();
}
}
KRAassismentdsgarboardFragmentClass
public class KRAassismentdsgarboardFragmentClass extends Fragment {
View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
view=inflater.inflate(R.layout.fragment_kraassismentdsgarboard, container, false);
int [] arr = {99,1};
int [ ] color = {Color.GREEN,Color.YELLOW};
PiChart piChart = view.findViewById(R.id.id_pichart);
piChart.setData(arr,color);
return view;
}
PiChart
public class PiChart extends View {
private int[] mDataSet;
private int[] mColorSet;
private RectF mChart;
private float mUnit;
private float mStartAngle;
private float mSweepAngle;
private int mNotFillColor;
public boolean isFill;
private Paint paintArc;
public PiChart(Context context) {
super(context);
init(context, null);
}
public PiChart(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
init(context, attrs);
}
private void init(Context context, @Nullable AttributeSet attributeSet){
paintArc = new Paint(Paint.ANTI_ALIAS_FLAG);
mChart = new RectF();
mStartAngle = 0;
isFill = true;
mNotFillColor = Color.WHITE;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
int H = getHeight();
int W = getWidth();
mChart.top = 0;
mChart.left = 0;
mChart.bottom = H;
mChart.right = W;
int totalData = mDataSet.length;
for(int i = 0; i < totalData; i++){
mSweepAngle = mUnit * mDataSet[i];
paintArc.setColor(mColorSet[i]);
canvas.drawArc(mChart, mStartAngle, mSweepAngle, true, paintArc);
mStartAngle += mSweepAngle;
}
if(!isFill){
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
paint.setColor(mNotFillColor);
canvas.drawCircle(W / 2, H / 2, (int)((H / 2) - 70), paint);
}
}
public void setData(int[] dataSet, int[] colorSet){
this.mDataSet = dataSet;
this.mColorSet = colorSet;
initUnit(dataSet);
}
public void setNotFillColor(int color){
mNotFillColor = color;
}
private void initUnit(int[] dataSet){
int t = 0;
for(int i: dataSet)
t+=i;
mUnit = 360.0f / t;
}
}
Я хотел бы получить ответ PiChart
