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POhow to fill array between two points with data from another activity
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  1. POhow to fill array between two points with data from another activity
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    copied!<p>-------UPDATED-------------------------------------</p> <p>In this class i do the calculations:</p> <pre><code>... ArrayList&lt;Double&gt; final_cores =new ArrayList&lt;Double&gt;(); ... public void cores_func(){ double initcores=Double.parseDouble(num_cores.getText().toString().trim()); double half_time=Double.parseDouble(halftimecores.getText().toString().trim()); double ttime=Double.parseDouble(timecores.getText().toString().trim()); double l=Math.log(2)/half_time; double fcores=initcores*Math.exp(-l*ttime); for (int i=0;i&lt;=ttime;i++){ final_cores.add(initcores*Math.exp(-l*ttime)); } //convert ArrayList to double[] double[] mydata = new double[final_cores.size()]; for(int i = 0; i &lt; final_cores.size(); i++) { mydata[i] = final_cores.get(i); } Intent i=new Intent(this,core_calcs.class); i.putExtra("value",fcores); i.putExtra("value2",initcores); i.putExtra("value3",ttime); i.putExtra("final_cores",mydata); startActivity(i); } ... </code></pre> <p>and in the linegraph class :</p> <pre><code>... private double [] final_cores =new double [100]; public double [] getFinal_cores(){ return this.mydata;} public void setFinal_cores( double [] final_cores){ this.mydata=mydata;} public void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); Bundle extras=getIntent().getExtras(); ... double [] mydata = extras.getDoubleArray("final_cores"); setFinal_cores(mydata); public Intent getIntent(Context context){ ... double []mydata=getFinal_cores(); ArrayList&lt;Double&gt; x =new ArrayList&lt;Double&gt;(); ArrayList&lt;Double&gt; y =new ArrayList&lt;Double&gt;(); // ArrayList&lt;Double&gt; data =new ArrayList&lt;Double&gt;(); //fill x,y values for (int i=0;i&lt;=10;i++){ x.add(ttime / 10.0 * i); } for (int i=0;i&lt;=10;i++){ y.add(initcores + ((mydata[i]) / 10.0 * i)); } TimeSeries series = new TimeSeries("Decay"); for (int i=0;i&lt;x.size();i++){ series.add(x.get(i),y.get(i)); } </code></pre>
 

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