Я добавил расписание в свое приложение.Я использовал MPAndroidCharts lib для графиков.
package com.example.myapplication;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import com.github.mikephil.charting.charts.LineChart;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.LineData;
import com.github.mikephil.charting.data.LineDataSet;
import com.github.mikephil.charting.interfaces.datasets.ILineDataSet;
import java.util.ArrayList;
import static java.lang.Math.atan;
import static java.lang.Math.sqrt;
public class Main3Activity extends AppCompatActivity {
TextView n2, h, yTE, yTM;
double sreda1, max, sreda3, sreda4, ugol, pogr, laser, normgr, normmin, normsec, tegrad, temin, tesec, tmgrad, tmmin, tmsec;
double pi = 3.141592653589793238463;
double L, n1, n3, m;
double funcTE(double n2) {
double fTE, yTE;
L = getIntent().getDoubleExtra("laser", 0.0);
n3 = getIntent().getDoubleExtra("sreda3", 0.0);
n1 = getIntent().getDoubleExtra("sreda1", 0.0);
m = 1;
String yTEs = getIntent().getStringExtra("yTE");
yTE = Double.valueOf(yTEs);
fTE = ((L * (atan(sqrt((yTE * yTE) - (n1 * n1)) / sqrt((n2 * n2) - (yTE * yTE))) + atan(sqrt((yTE * yTE) - (n3 * n3)) / sqrt((n2 * n2) - (yTE * yTE))) + pi * (m - 1))) / (2 * pi * sqrt((n2 * n2) - (yTE * yTE))));
return fTE;
}
double funcTM(double n2) {
double fTM, yTM;
L = getIntent().getDoubleExtra("laser", 0.0);
n3 = getIntent().getDoubleExtra("sreda3", 0.0);
n1 = getIntent().getDoubleExtra("sreda1", 0.0);
m = 1;
String yTMs = getIntent().getStringExtra("yTM");
yTM = Double.valueOf(yTMs);
fTM = ((L * (atan(((n2 * n2) / (n1 * n1)) * sqrt((yTM * yTM) - (n1 * n1)) / sqrt((n2 * n2) - (yTM * yTM))) + atan(((n2 * n2) / (n3 * n3)) * sqrt((yTM * yTM) - (n3 * n3)) / sqrt((n2 * n2) - (yTM * yTM))) + pi * (m - 1))) / (2 * pi * sqrt((n2 * n2) - (yTM * yTM))));
return fTM;
}
private LineChart mChart;
@SuppressLint("SetTextI18n")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main3);
initToolbar();
String n2s, hs, yTEs, yTMs, n3s;
double n2d, n3d;
int a;
n2 = findViewById(R.id.n2);
h = findViewById(R.id.h);
yTE = findViewById(R.id.yTE);
yTM = findViewById(R.id.yTM);
n2s = getIntent().getStringExtra("n2");
hs = getIntent().getStringExtra("h");
yTEs = getIntent().getStringExtra("yTE");
yTMs = getIntent().getStringExtra("yTM");
n3d = getIntent().getDoubleExtra("sreda3", 0.0);
n2d = Double.valueOf(n2s);
max = getIntent().getDoubleExtra("max", 0.0);
pogr = getIntent().getDoubleExtra("pogr", 0.0);
if (n2s.length() < 11) {
a = n2s.length();
n2s = n2s.substring(0, a);
} else {
n2s = n2s.substring(0, 12);
}
if (hs.length() < 11) {
a = hs.length();
hs = hs.substring(0, a);
} else {
hs = hs.substring(0, 12);
}
if (yTEs.length() < 11) {
a = yTEs.length();
yTEs = yTEs.substring(0, a);
} else {
yTEs = yTEs.substring(0, 12);
}
if (yTMs.length() < 11) {
a = yTMs.length();
yTMs = yTMs.substring(0, a);
} else {
yTMs = yTMs.substring(0, 12);
}
n2.setText("n2 =" + n2s);
h.setText("h =" + hs);
yTE.setText("yTE = " + yTEs);
yTM.setText("yTM = " + yTMs);
mChart = findViewById(R.id.linechart);
mChart.setDragEnabled(true);
mChart.setScaleEnabled(true);
mChart.setPinchZoom(true);
ArrayList<Entry> yValues = new ArrayList<>();
for (n2d = n3d; n2d < max; n2d = n2d + pogr) {
yValues.add(new Entry((float) n2d, (float) funcTE(n2d)));
}
LineDataSet set1 = new LineDataSet(yValues, "TE");
set1.setFillAlpha(255);
set1.setColor(Color.RED);
set1.setLineWidth(10);
ArrayList<ILineDataSet> dataSets = new ArrayList<>();
dataSets.add(set1);
ArrayList<Entry> xValues = new ArrayList<>();
for (n2d = n3d; n2d < max; n2d = n2d + pogr) {
xValues.add(new Entry((float) n2d, (float) funcTM(n2d)));
}
LineDataSet set2 = new LineDataSet(xValues, "TM");
set2.setFillAlpha(255);
set2.setColor(Color.BLUE);
set2.setLineWidth(7);
dataSets.add(set2);
LineData data = new LineData(dataSets);
mChart.setData(data);
}
private void initToolbar() {
Toolbar toolbar = findViewById(R.id.toolbar);
TextView tool_but = findViewById(R.id.tool_but);
tool_but.setText("Результат");
setSupportActionBar(toolbar);
}
@Override
public void onBackPressed() {
super.onBackPressed();
Intent intent = new Intent(Main3Activity.this, Main2Activity.class);
sreda1 = getIntent().getDoubleExtra("sreda1", 0.0);
max = getIntent().getDoubleExtra("max", 0.0);
sreda3 = getIntent().getDoubleExtra("sreda3", 0.0);
sreda4 = getIntent().getDoubleExtra("sreda4", 0.0);
ugol = getIntent().getDoubleExtra("ugol", 0.0);
pogr = getIntent().getDoubleExtra("pogr", 0.0);
laser = getIntent().getDoubleExtra("laser", 0.0);
normgr = getIntent().getDoubleExtra("normgr", 0.0);
normmin = getIntent().getDoubleExtra("normmin", 0.0);
normsec = getIntent().getDoubleExtra("normsec", 0.0);
tegrad = getIntent().getDoubleExtra("tegrad", 0.0);
temin = getIntent().getDoubleExtra("temin", 0.0);
tesec = getIntent().getDoubleExtra("tesec", 0.0);
tmgrad = getIntent().getDoubleExtra("tmgrad", 0.0);
tmmin = getIntent().getDoubleExtra("tmmin", 0.0);
tmsec = getIntent().getDoubleExtra("tmsec", 0.0);
intent.putExtra("sreda1", sreda1);
intent.putExtra("max", max);
intent.putExtra("sreda3", sreda3);
intent.putExtra("sreda4", sreda4);
intent.putExtra("ugol", ugol);
intent.putExtra("pogr", pogr);
intent.putExtra("laser", laser);
intent.putExtra("normgr", normgr);
intent.putExtra("normmin", normmin);
intent.putExtra("normsec", normsec);
intent.putExtra("tegrad", tegrad);
intent.putExtra("temin", temin);
intent.putExtra("tesec", tesec);
intent.putExtra("tmgrad", tmgrad);
intent.putExtra("tmmin", tmmin);
intent.putExtra("tmsec", tmsec);
startActivity(intent);
}
}
Вместо графиков отображаются только точки.Графики видны только при сильном увеличении.И, пожалуйста, скажите мне, как установить область действия оси X?
