1 files changed, 105 insertions, 0 deletions
diff --git a/src/com/android/settings/deviceinfo/UsbModeChooserActivity.java b/src/com/android/settings/deviceinfo/UsbModeChooserActivity.java
new file mode 100644
index 0000000..76b2fd1
--- /dev/null
+++ b/src/com/android/settings/deviceinfo/UsbModeChooserActivity.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.deviceinfo;
+
+import android.annotation.Nullable;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.hardware.usb.UsbManager;
+import android.os.Bundle;
+import android.util.Log;
+import com.android.settings.R;
+
+/**
+ * UI for the USB chooser dialog.
+ *
+ * TODO: Don't show some UI elements if UserManager.DISALLOW_USB_FILE_TRANSFER is disabled.
+ */
+public class UsbModeChooserActivity extends Activity {
+
+    private UsbManager mUsbManager;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mUsbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
+        final AlertDialog levelDialog;
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle(R.string.usb_use);
+        builder.setSingleChoiceItems(R.array.usb_available_functions, getCurrentFunction(),
+                new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        setCurrentFunction(which);
+                        dialog.dismiss();
+                        UsbModeChooserActivity.this.finish();
+                    }
+                });
+        builder.setOnDismissListener(new DialogInterface.OnDismissListener() {
+            @Override
+            public void onDismiss(DialogInterface dialog) {
+                UsbModeChooserActivity.this.finish();
+            }
+        });
+        builder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                UsbModeChooserActivity.this.finish();
+            }
+        });
+        levelDialog = builder.create();
+        levelDialog.show();
+    }
+
+    /*
+     * If you change the numbers here, you also need to change R.array.usb_available_functions
+     * so that everything matches.
+     */
+    private int getCurrentFunction() {
+        if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_MTP)) {
+            return 1;
+        } else if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_PTP)) {
+            return 2;
+        } else if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_MIDI)) {
+            return 3;
+        }
+        return 0;
+    }
+
+    /*
+     * If you change the numbers here, you also need to change R.array.usb_available_functions
+     * so that everything matches.
+     */
+    private void setCurrentFunction(int which) {
+        switch (which) {
+            case 0:
+                mUsbManager.setCurrentFunction("none");
+                break;
+            case 1:
+                mUsbManager.setCurrentFunction(UsbManager.USB_FUNCTION_MTP);
+                break;
+            case 2:
+                mUsbManager.setCurrentFunction(UsbManager.USB_FUNCTION_PTP);
+                break;
+            case 3:
+                mUsbManager.setCurrentFunction(UsbManager.USB_FUNCTION_MIDI);
+                break;
+        }
+    }
+}