import android.graphics.Color; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Button; import android.widget.TextView; import com.echo.holographlibrary.PieGraph; import com.echo.holographlibrary.PieSlice; import static com.example.vdk.bablow_v2.R.id.graph; public class MainActivity extends AppCompatActivity { int basket = 1, box = 1, car = 1, coctail = 1, knife = 1, home = 1, plane = 1, trash = 1; Button button_plus; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); PieGraph pg = (PieGraph)findViewById(graph); PieSlice slice = new PieSlice(); slice.setColor(Color.parseColor("#e74c3c")); slice.setValue(basket); pg.addSlice(slice); slice = new PieSlice(); slice.setColor(Color.parseColor("#e67e22")); slice.setValue(box); pg.addSlice(slice); slice = new PieSlice(); slice.setColor(Color.parseColor("#4D4D4D")); slice.setValue(car); pg.addSlice(slice); slice = new PieSlice(); slice.setColor(Color.parseColor("#34495e")); slice.setValue(coctail); pg.addSlice(slice); slice = new PieSlice(); slice.setColor(Color.parseColor("#9b59b6")); slice.setValue(knife); pg.addSlice(slice); slice = new PieSlice(); slice.setColor(Color.parseColor("#3498db")); slice.setValue(home); pg.addSlice(slice); slice = new PieSlice(); slice.setColor(Color.parseColor("#27ae60")); slice.setValue(plane); pg.addSlice(slice); slice = new PieSlice(); slice.setColor(Color.parseColor("#16a085")); slice.setValue(trash); pg.addSlice(slice); button_plus = (Button) findViewById(R.id.button_plus); } public void ClickButtonPlus(View view) { basket = 12; } }

PieGraph - a widget from the HoloGraphLibrary library

    1 answer 1

    Option 1. Send the pg.removeSlices() command to your PieGraph pg and then add the slices again with the new values.

    Option 2. Save links to the slices added to pg . After clicking on the button for the corresponding slice, change the value, execute pg.update()