Im trying to modify an existing project, the BluetoothLeGatt example, to turn it into ArduDroid, which is this app used to interface with Arduino via BT. The ArduDroid looks like this:
<https://lh3.googleusercontent.com/-Ey0-8ov5hEE/VwWjVeipYYI/AAAAAAAAD0U/VaLd1flEUV8rqYL39F9n8JBl6NCD6JHlw/s1600/ardudroid.png> I have already figured out how to design this far. The original app consisted of: DeviceScanActivity.java as the main activity which only had an optionsMenu with 2 buttons (scan and stop) DeviceControlActivity.java BluetoothLeService.java SampleGattAttributes.java These came with the following xml layout files: listitem_device.xml actionbar_indeterminate_progress.xml gatt_services_characteristics.xml I added these 2: ArduDroidActivity.java activity_main.xml So far ArduDroidActivity.java only calls setContentView(R.layout.activity_main). I am calling it from a button in the DeviceScanActivity, by adding a sendMessage() method which creates an Intent and starts the new activity. The problem so far is that I cant see the button. I wasnt sure how to add the button, I figured I could just throw it into the listitem_device.xml so I added these lines: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"; android:orientation="vertical" android:layout_width="match_parent" android:layout_height="wrap_content"> <TextView android:id="@+id/device_name" android:layout_width="match_parent" android:layout_height="wrap_content" android:textSize="24dp"/> <TextView android:id="@+id/device_address" android:layout_width="match_parent" android:layout_height="wrap_content" android:textSize="12dp"/> <!--ADDED BUTTON--> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:text="@string/button_send" android:onClick="sendMessage" /> </LinearLayout> But when I run the app I cant see the button. Any ideas why? Im hoping I can call my new activity_main.xml so that I can access all the buttons and sliders in order to send commands to a bluetooth module on an arduino. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-developers+unsubscr...@googlegroups.com. To post to this group, send email to android-developers@googlegroups.com. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/c4759381-b317-46c4-90be-0557f1f0ddb4%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
