Hello,i am getting error:
Caused by: java.lang.NullPointerException
E/AndroidRuntime(329): at ...LineGraph.getIntent(LineGraph.java:109)
E/AndroidRuntime(329): at ....LineGraph.onCreate(LineGraph.java:80)
E/AndroidRuntime(329): at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
1047)
E/AndroidRuntime(329): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2627)
I have in one activity :
double []myfinal=new double [100];
Then,inside a function:
public void compute(){
...
//fill the points between
for (int i=0;i<=ttime;i++){
myfinal[i]=init*Math.exp(-l*i);
}
Intent i=new Intent(this,calcs.class);
...
i.putExtra("finals",myfinal);
startActivity(i);
}
And in the other activity(LineGraph):
...
private double [] myfinal=new double [100];
public double [] getFinal(){ return this.myfinal;}
public void setFinal(double [] myfinal){ this.myfinal=myfinal;}
public void onCreate(Bundle savedInstanceState){
...
double [] myfinal=extras.getDoubleArray("myfinal");
setFinal(myfinal);
public Intent getIntent(Context context){
...
double []myfinal=getFinal();
I am not sure if this is right "double []
myfinal=extras.getDoubleArray("myfinal");"
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