Implement the Copyable interface to FirmwareVersionPreferenceController

Copy the device version number to clipboard for Copyable.

Change-Id: Ibb687be442dd702c1197c7e8295fac5b914a7047
Fixes: 121463656
Test: manual and robotests

src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceController.java

@@ -23,9 +23,12 @@ import android.text.TextUtils;
 import androidx.fragment.app.Fragment;
 import androidx.preference.Preference;
 
+import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
+import com.android.settings.slices.Copyable;
 
-public class FirmwareVersionPreferenceController extends BasePreferenceController {
+public class FirmwareVersionPreferenceController extends BasePreferenceController implements
+        Copyable {
 
     private Fragment mFragment;
 
@@ -61,4 +64,10 @@ public class FirmwareVersionPreferenceController extends BasePreferenceControlle
     public boolean isSliceable() {
         return true;
     }
+
+    @Override
+    public void copy() {
+        Copyable.setCopyContent(mContext, getSummary(),
+                mContext.getText(R.string.firmware_version));
+    }
 }

src/com/android/settings/slices/Copyable.java

@@ -16,6 +16,15 @@
 
 package com.android.settings.slices;
 
+import static android.content.Context.CLIPBOARD_SERVICE;
+
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.widget.Toast;
+
+import com.android.settings.R;
+
 /**
  * Provide the copy ability for preference controller to copy the data to the clipboard.
  */
@@ -25,4 +34,18 @@ public interface Copyable {
      * It is highly recommended to show the toast to notify users when implemented this function.
      */
     void copy();
+
+    /**
+     * Set the copy content to the clipboard and show the toast.
+     */
+    static void setCopyContent(Context context, CharSequence copyContent,
+            CharSequence messageTitle) {
+        final ClipboardManager clipboard = (ClipboardManager) context.getSystemService(
+                CLIPBOARD_SERVICE);
+        final ClipData clip = ClipData.newPlainText("text", copyContent);
+        clipboard.setPrimaryClip(clip);
+
+        final String toast = context.getString(R.string.copyable_slice_toast, messageTitle);
+        Toast.makeText(context, toast, Toast.LENGTH_SHORT).show();
+    }
 }

tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceControllerTest.java

@@ -16,8 +16,11 @@
 
 package com.android.settings.deviceinfo.firmwareversion;
 
+import static android.content.Context.CLIPBOARD_SERVICE;
+
 import static com.google.common.truth.Truth.assertThat;
 
+import android.content.ClipboardManager;
 import android.content.Context;
 import android.os.Build;
 
@@ -108,6 +111,17 @@ public class FirmwareVersionPreferenceControllerTest {
         assertThat(mController.isSliceable()).isTrue();
     }
 
+    @Test
+    public void copy_shouldCopyVersionNumberToClipboard() {
+        mController.copy();
+
+        final Context context = RuntimeEnvironment.application;
+        final ClipboardManager clipboard = (ClipboardManager) context.getSystemService(
+                CLIPBOARD_SERVICE);
+        final CharSequence data = clipboard.getPrimaryClip().getItemAt(0).getText();
+        assertThat(data.toString()).isEqualTo(Build.VERSION.RELEASE);
+    }
+
     @Implements(FirmwareVersionDialogFragment.class)
     public static class ShadowFirmwareVersionDialogFragment {