set softAP on a specified band, including both 2.4 and 5 GHz band

Bug:18929692
Change-Id: I455e9b17e5091596beb0246ccfd981c5d2b932f0

res/layout/wifi_ap_dialog.xml

@@ -66,6 +66,31 @@
                     style="@style/wifi_item_content"
                     android:prompt="@string/wifi_security"
                     android:entries="@array/wifi_ap_security" />
+
+            <TextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    style="@style/wifi_item_label"
+                    android:layout_marginTop="8dip"
+                    android:text="@string/wifi_ap_band_config" />
+
+               <RadioGroup android:id = "@+id/choose_channel"
+                       android:layout_width="fill_parent"
+                       android:layout_height="wrap_content"
+                       android:orientation="vertical">
+
+                   <RadioButton android:id="@+id/ap_2G_band"
+                           android:layout_width="match_parent"
+                           android:layout_height="wrap_content"
+                           android:text="@string/wifi_ap_choose_2G"
+                           android:layout_marginTop="8dip"/>
+
+                   <RadioButton android:id="@+id/ap_5G_band"
+                           android:layout_width="match_parent"
+                           android:layout_height="wrap_content"
+                           android:text="@string/wifi_ap_choose_5G"
+                           android:layout_marginTop="8dip"/>
+               </RadioGroup>
         </LinearLayout>
 
         <LinearLayout android:id="@+id/fields"

res/values/strings.xml

@@ -1577,6 +1577,12 @@
     <string name="wifi_password">Password</string>
     <!-- Label for the check box to show password -->
     <string name="wifi_show_password">Show password</string>
+    <!-- Label for the RadioGroup to choose wifi ap band -->
+    <string name="wifi_ap_band_config">Config AP Band</string>
+    <!-- Label for the radio button to choose wifi ap 2.4 GHz band -->
+    <string name="wifi_ap_choose_2G">2.4 GHz Band</string>
+    <!-- Label for the radio button to choose wifi ap 5GHz band -->
+    <string name="wifi_ap_choose_5G">5 GHz Band</string>
     <!-- Label for the spinner to show ip settings [CHAR LIMIT=25] -->
     <string name="wifi_ip_settings">IP settings</string>
     <!-- Hint for unchanged fields -->

src/com/android/settings/wifi/WifiApDialog.java

@@ -32,9 +32,13 @@ import android.widget.CheckBox;
 import android.widget.EditText;
 import android.widget.Spinner;
 import android.widget.TextView;
+import android.widget.RadioGroup;
+import android.widget.RadioButton;
 
 import com.android.settings.R;
 
+import android.util.Log;
+
 /**
  * Dialog to configure the SSID and security settings
  * for Access Point operation
@@ -53,8 +57,12 @@ public class WifiApDialog extends AlertDialog implements View.OnClickListener,
     private TextView mSsid;
     private int mSecurityTypeIndex = OPEN_INDEX;
     private EditText mPassword;
+    private RadioGroup mChannel;
+    private RadioButton mChannel2G;
+    private RadioButton mChannel5G;
 
     WifiConfiguration mWifiConfig;
+    private static final String TAG = "WifiApDialog";
 
     public WifiApDialog(Context context, DialogInterface.OnClickListener listener,
             WifiConfiguration wifiConfig) {
@@ -85,6 +93,16 @@ public class WifiApDialog extends AlertDialog implements View.OnClickListener,
          */
         config.SSID = mSsid.getText().toString();
 
+        //obtain the band configure
+        if (mChannel2G.isChecked()) {
+            config.apBand = 0;
+        } else if(mChannel5G.isChecked()) {
+            config.apBand = 1;
+        } else {
+            Log.e("TAG", "AP band configure error!");
+            return null;
+        }
+
         switch (mSecurityTypeIndex) {
             case OPEN_INDEX:
                 config.allowedKeyManagement.set(KeyMgmt.NONE);
@@ -118,12 +136,22 @@ public class WifiApDialog extends AlertDialog implements View.OnClickListener,
         mSsid = (TextView) mView.findViewById(R.id.ssid);
         mPassword = (EditText) mView.findViewById(R.id.password);
 
+        mChannel = (RadioGroup) mView.findViewById(R.id.choose_channel);
+        mChannel2G = (RadioButton) mView.findViewById(R.id.ap_2G_band);
+        mChannel5G = (RadioButton) mView.findViewById(R.id.ap_5G_band);
+
         setButton(BUTTON_SUBMIT, context.getString(R.string.wifi_save), mListener);
         setButton(DialogInterface.BUTTON_NEGATIVE,
         context.getString(R.string.wifi_cancel), mListener);
 
         if (mWifiConfig != null) {
             mSsid.setText(mWifiConfig.SSID);
+            if (mWifiConfig.apBand == 0) {
+                mChannel2G.setChecked(true);
+            } else {
+                mChannel5G.setChecked(true);
+            }
+
             mSecurity.setSelection(mSecurityTypeIndex);
             if (mSecurityTypeIndex == WPA2_INDEX) {
                 mPassword.setText(mWifiConfig.preSharedKey);