Add a RTT setting in A11y screen

- Add RTT setting in Accessibility screen. - Create a controller for RTT setting preference. - Create an array strings. Test: Rebuild, and visual Change-Id: I248654c822284473b8a8265de4a3938af89cdf7a Fix: 146540478
2019-12-23 19:01:07 +08:00
parent a09d1a73bd
commit 7f5986b78a
6 changed files with 273 additions and 1 deletions
--- a/src/com/android/settings/accessibility/RTTSettingPreferenceController.java
+++ b/src/com/android/settings/accessibility/RTTSettingPreferenceController.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.provider.Settings;
+import android.telecom.TelecomManager;
+import android.text.TextUtils;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+import java.util.List;
+
+/** A controller to control the status for RTT setting in Accessibility screen.*/
+public class RTTSettingPreferenceController extends BasePreferenceController {
+
+    private static final String DIALER_RTT_CONFIGURATION = "dialer_rtt_configuration";
+
+    private final Context mContext;
+    private final PackageManager mPackageManager;
+    private final TelecomManager mTelecomManager;
+    private final CharSequence[] mModes;
+    private final String mDialerPackage;
+
+    @VisibleForTesting
+    Intent mRTTIntent;
+
+    public RTTSettingPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mContext = context;
+        mModes = mContext.getResources().getTextArray(R.array.rtt_setting_mode);
+        mDialerPackage = mContext.getString(R.string.config_rtt_setting_package_name);
+        mPackageManager = context.getPackageManager();
+        mTelecomManager = context.getSystemService(TelecomManager.class);
+        mRTTIntent = new Intent(context.getString(R.string.config_rtt_setting_intent_action));
+
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        final List<ResolveInfo> resolved =
+                mPackageManager.queryIntentActivities(mRTTIntent, 0 /* flags */);
+        return resolved != null && !resolved.isEmpty() && isDialerSupportRTTSetting()
+                ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        final Preference pref = screen.findPreference(getPreferenceKey());
+        pref.setIntent(mRTTIntent);
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        final int option = Settings.Secure.getInt(mContext.getContentResolver(),
+                DIALER_RTT_CONFIGURATION, 1 /* not visible */);
+        return mModes[option];
+    }
+
+    @VisibleForTesting
+    boolean isDialerSupportRTTSetting() {
+        return TextUtils.equals(mTelecomManager.getDefaultDialerPackage(), mDialerPackage);
+    }
+}