move WifiQrView and SendFDroidView to pure XML views

This puts the logic in the "Presenter": SwapWorkflowActivity

app/src/full/java/org/fdroid/fdroid/views/swap/SendFDroidView.java

@@ -1,45 +0,0 @@
-package org.fdroid.fdroid.views.swap;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.Button;
-import org.fdroid.fdroid.R;
-import org.fdroid.fdroid.localrepo.SwapView;
-
-public class SendFDroidView extends SwapView {
-
-    private static final String TAG = "SendFDroidView";
-
-    public SendFDroidView(Context context) {
-        super(context);
-    }
-
-    public SendFDroidView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public SendFDroidView(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    @TargetApi(21)
-    public SendFDroidView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
-        super(context, attrs, defStyleAttr, defStyleRes);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-
-        Button useBluetooth = (Button) findViewById(R.id.btn_use_bluetooth);
-        useBluetooth.setOnClickListener(new Button.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                getActivity().showIntro();
-                getActivity().sendFDroidBluetooth();
-            }
-        });
-    }
-}

app/src/full/java/org/fdroid/fdroid/views/swap/SwapWorkflowActivity.java

@@ -36,6 +36,7 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -506,8 +507,12 @@ public class SwapWorkflowActivity extends AppCompatActivity {
 
         switch (currentView.getLayoutResId()) {
             case R.layout.swap_send_fdroid:
+                setUpFromWifi();
+                setUpUseBluetoothButton();
+                break;
             case R.layout.swap_wifi_qr:
                 setUpFromWifi();
+                setUpQrScannerButton();
                 break;
         }
 
@@ -969,4 +974,29 @@ public class SwapWorkflowActivity extends AppCompatActivity {
             }
         }
     }
+
+    private void setUpUseBluetoothButton() {
+        Button useBluetooth = findViewById(R.id.btn_use_bluetooth);
+        if (useBluetooth != null) {
+            useBluetooth.setOnClickListener(new Button.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    showIntro();
+                    sendFDroidBluetooth();
+                }
+            });
+        }
+    }
+
+    private void setUpQrScannerButton() {
+        Button openQr = findViewById(R.id.btn_qr_scanner);
+        if (openQr != null) {
+            openQr.setOnClickListener(new Button.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    initiateQrScan();
+                }
+            });
+        }
+    }
 }

app/src/full/java/org/fdroid/fdroid/views/swap/WifiQrView.java

@@ -1,44 +0,0 @@
-package org.fdroid.fdroid.views.swap;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.Button;
-import org.fdroid.fdroid.R;
-import org.fdroid.fdroid.localrepo.SwapView;
-
-public class WifiQrView extends SwapView {
-
-    private static final String TAG = "WifiQrView";
-
-    public WifiQrView(Context context) {
-        super(context);
-    }
-
-    public WifiQrView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public WifiQrView(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    @TargetApi(21)
-    public WifiQrView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
-        super(context, attrs, defStyleAttr, defStyleRes);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-
-        Button openQr = (Button) findViewById(R.id.btn_qr_scanner);
-        openQr.setOnClickListener(new Button.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                getActivity().initiateQrScan();
-            }
-        });
-    }
-}

app/src/full/res/layout/swap_send_fdroid.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<org.fdroid.fdroid.views.swap.SendFDroidView
+<org.fdroid.fdroid.localrepo.SwapView
         xmlns:tools="http://schemas.android.com/tools"
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:swap="http://schemas.android.com/apk/res-auto"
@@ -50,4 +50,4 @@
 
     </LinearLayout>
     </ScrollView>
-</org.fdroid.fdroid.views.swap.SendFDroidView>
+</org.fdroid.fdroid.localrepo.SwapView>

app/src/full/res/layout/swap_wifi_qr.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<org.fdroid.fdroid.views.swap.WifiQrView
+<org.fdroid.fdroid.localrepo.SwapView
         xmlns:tools="http://schemas.android.com/tools"
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:swap="http://schemas.android.com/apk/res-auto"
@@ -57,4 +57,4 @@
 
     </LinearLayout>
     </ScrollView>
-</org.fdroid.fdroid.views.swap.WifiQrView>
+</org.fdroid.fdroid.localrepo.SwapView>