Question

I am creating an android application in which i have a activity which contain several elements like Switch, TextView etc.

I need to get the values from all Switch elements whether it is checked or not.

it will be great if anyone show me the proper way to transfer multiple values to different activity for further calculation.

Thanks

here is my XML code:

           <LinearLayout
                android:id="@+id/configSwitchHldr"
                android:layout_marginTop="10dp"
                android:layout_span="2"
                android:gravity="center"
                android:orientation="vertical"
                android:paddingLeft="30dp"
                android:paddingRight="30dp" >

                <TextView 
                    android:text="@string/coreHardware"
                    android:layout_width="fill_parent"
                    android:layout_height="20dp"
                    android:textColor="@color/green"
                    android:layout_marginTop="10dp"
                    android:layout_marginBottom="10dp"
                    />
                <View 
                   android:layout_width="fill_parent"
                   android:layout_height="2dp"       
                   android:background="#363636" />
                <Switch
                    android:id="@+id/switch1"
                    android:layout_width="fill_parent"
                    android:layout_height="14.5sp"
                    android:textOn="ON"
                    android:textOff="OFF"
                    android:text="CPU"              
                    android:paddingLeft="5dp"
                    android:paddingRight="5dp"
                    android:layout_marginTop="10dp"
                    android:layout_marginBottom="10dp"
                    />
                <View 
                   android:layout_width="fill_parent"
                   android:layout_height="1dp"       
                   android:background="#363636" />

                <Switch
                    android:id="@+id/switch2"
                    android:layout_width="fill_parent"
                    android:layout_height="14.5sp"
                    android:textOn="ON"
                    android:textOff="OFF"
                    android:text="Memory" 
                    android:paddingLeft="5dp"
                    android:paddingRight="5dp"
                    android:layout_marginTop="10dp"
                    android:layout_marginBottom="10dp"/>

                <View 
                   android:layout_width="fill_parent"
                   android:layout_height="1dp"       
                   android:background="#363636" />

                <Switch
                    android:id="@+id/switch3"
                    android:layout_width="fill_parent"
                    android:layout_height="14.5sp"
                    android:textOn="ON"
                    android:textOff="OFF"
                    android:text="Storage" 
                    android:paddingLeft="5dp"
                    android:paddingRight="5dp"
                    android:layout_marginTop="10dp"
                    android:layout_marginBottom="10dp"/>

                <View 
                   android:layout_width="fill_parent"
                   android:layout_height="1dp"       
                   android:background="#363636" />

            </LinearLayout>

Answer 1

Ok, so based on your comment this is how it could be done:

In your first Activity, you would need a method, that gathers all the switches states and pass them along to the next activity. Passing parameters along to other Activities can be achieved by putting them inside the Intent you send to open the new Activity.

The method for getting the Switches states and passing them to a new Activity would roughly look something like this:

Intent i = new Intent(MainActivity.this, NewActivity.class);
i.putExtra("switch1", switch1.isChecked());
i.putExtra("switch2", switch2.isChecked());
i.putExtra("switch3", switch3.isChecked());
startActivity(i);

Put this inside the onClickListener for a Button for instance like so:

button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new OnClickListener() {
    @Override
    public void onClick(View v) {
        Intent i = new Intent(MainActivity.this, NewActivity.class);
        i.putExtra("switch1", switch1.isChecked());
        i.putExtra("switch2", switch2.isChecked());
        i.putExtra("switch3", switch3.isChecked());
        startActivity(i);
    }
});

Now when you click the Button you’ll be sent to NewActivity.

To retrieve the parameters passed on from the MainActivity, you should do something like this in you onCreate method of the NewActivity:

boolean bool1 = getIntent().getExtras().getBoolean("switch1");
boolean bool2 = getIntent().getExtras().getBoolean("switch2");
boolean bool3 = getIntent().getExtras().getBoolean("switch3");

You could pass the variables on from MainActivity by putting them inside a boolean array, but that is overkill in my opinion.

Also take a look at this SO post: How do I pass data between Activities in Android application? – there’s a lot of these.