v1.5.0

app/build.gradle

@@ -10,7 +10,7 @@ android {
         minSdk = 28
         targetSdk = 22
         versionCode = 15
-        versionName = "1.4.3"
+        versionName = "1.5.0"
         multiDexEnabled = false
         proguardFiles += 'proguard-rules.pro'
     }

app/src/main/java/me/s1204/galaxycamsnd/BootCompletedReceiver.java

@@ -6,9 +6,9 @@
 import android.provider.Settings;
 
 public class BootCompletedReceiver extends BroadcastReceiver {
-    public void onReceive(Context c, Intent i) {
-        if (Settings.System.canWrite(c)) {
-            Settings.System.putInt(c.getContentResolver(), CameraActivity.camera_forced_shuttersound_key, 0);
+    public void onReceive(Context context, Intent intent) {
+        if (Settings.System.canWrite(context)) {
+            Settings.System.putInt(context.getContentResolver(), CameraActivity.camera_forced_shuttersound_key, 0);
         }
     }
 }

app/src/main/java/me/s1204/galaxycamsnd/DeviceAdminReceiver.java

@@ -1,4 +1,43 @@
 package me.s1204.galaxycamsnd;
 
+import android.content.Context;
+import android.content.Intent;
+import android.provider.Settings;
+import android.widget.Toast;
+
 public class DeviceAdminReceiver extends android.app.admin.DeviceAdminReceiver {
+
+    void doDisable(Context context) {
+        if (Settings.System.canWrite(context)) {
+            Settings.System.putInt(context.getContentResolver(), CameraActivity.camera_forced_shuttersound_key, 0);
+        }
+    }
+
+    void showToast(Context context, String msg) {
+        Toast.makeText(context, msg, Toast.LENGTH_SHORT).show();
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        doDisable(context);
+    }
+
+    @Override
+    public void onEnabled(Context context, Intent intent) {
+        doDisable(context);
+        showToast(context, context.getString(R.string.admin_receiver_status_enabled));
+    }
+
+    @Override
+    public CharSequence onDisableRequested(Context context, Intent intent) {
+        context.startActivity(new Intent(context, DisableActivity.class).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
+        return context.getString(R.string.admin_receiver_status_disable_warning);
+    }
+
+    @Override
+    public void onDisabled(Context context, Intent intent) {
+        context.startActivity(new Intent(context, DisableActivity.class).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
+        showToast(context, context.getString(R.string.admin_receiver_status_disabled));
+    }
+
 }

app/src/main/res/values-ja/strings.xml

@@ -8,4 +8,7 @@
     <string name="dialog">この機能を実行すると、シャッター音が再強制化されます。\nただし、再度無効化する場合は、アプリをインストールし直す必要があります。\n\n続行しますか？</string>
     <string name="yes">はい</string>
     <string name="no">いいえ</string>
+    <string name="admin_receiver_status_enabled">端末管理者が有効になりました</string>
+    <string name="admin_receiver_status_disabled">端末管理者が無効になりました。</string>
+    <string name="admin_receiver_status_disable_warning">端末管理者を無効にしますか？</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -9,4 +9,7 @@
     <string name="dialog">When you perform this feature, the shutter sound will be re-forced.\nHowever, if you want to disable it again, you will need to reinstall this app.\n\nDo you want to continue?</string>
     <string name="yes">Yes</string>
     <string name="no">No</string>
+    <string name="admin_receiver_status_enabled">Device admin was enabled.</string>
+    <string name="admin_receiver_status_disabled">Device admin was disabled.</string>
+    <string name="admin_receiver_status_disable_warning">Do you want to disable device admin?</string>
 </resources>

app/src/main/res/xml/device_admin.xml

@@ -1,2 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<device-admin />
+<device-admin xmlns:android="http://schemas.android.com/apk/res/android">
+  <uses-policies>
+    <disable-camera />
+  </uses-policies>
+</device-admin>