Convert AppHelper to kotlin

app/src/main/java/com/hippo/util/AppHelper.kt

@@ -13,89 +13,27 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+package com.hippo.util
 
-package com.hippo.util;
+import android.app.Activity
+import android.content.Intent
+import android.widget.Toast
+import com.hippo.ehviewer.R
 
-import android.app.Activity;
-import android.app.Dialog;
-import android.app.Service;
-import android.content.Context;
-import android.content.Intent;
-import android.net.Uri;
-import android.view.View;
-import android.view.inputmethod.InputMethodManager;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hippo.ehviewer.R;
-
-public class AppHelper {
-
-    public static boolean sendEmail(@NonNull Activity from, @NonNull String address,
-                                    @Nullable String subject, @Nullable String text) {
-        Intent i = new Intent(Intent.ACTION_SENDTO);
-        i.setData(Uri.parse("mailto:" + address));
-        if (subject != null) {
-            i.putExtra(Intent.EXTRA_SUBJECT, subject);
-        }
-        if (text != null) {
-            i.putExtra(Intent.EXTRA_TEXT, text);
-        }
-
-        try {
-            from.startActivity(i);
-            return true;
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            Toast.makeText(from, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show();
-            return false;
-        }
-    }
-
-    public static boolean share(@NonNull Activity from, String text) {
-        Intent sendIntent = new Intent();
-        sendIntent.setAction(Intent.ACTION_SEND);
-        sendIntent.putExtra(Intent.EXTRA_TEXT, text);
-        sendIntent.setType("text/plain");
-        Intent chooser = Intent.createChooser(sendIntent, from.getString(R.string.share));
-
-        try {
-            from.startActivity(chooser);
-            return true;
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            Toast.makeText(from, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show();
-            return false;
-        }
-    }
-
-    public static void showSoftInput(Context context, View view) {
-        showSoftInput(context, view, true);
-    }
-
-    public static void showSoftInput(Context context, View view, boolean requestFocus) {
-        if (requestFocus) {
-            view.requestFocus();
-        }
-        InputMethodManager imm = (InputMethodManager) context.getSystemService(Service.INPUT_METHOD_SERVICE);
-        imm.showSoftInput(view, 0);
-    }
-
-    public static void hideSoftInput(Activity activity) {
-        View view = activity.getCurrentFocus();
-        if (view != null) {
-            InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
-            imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
-        }
-    }
-
-    public static void hideSoftInput(Dialog dialog) {
-        View view = dialog.getCurrentFocus();
-        if (view != null) {
-            InputMethodManager imm = (InputMethodManager) dialog.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
-            imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
+object AppHelper {
+    fun share(from: Activity, text: String?): Boolean {
+        val sendIntent = Intent()
+        sendIntent.action = Intent.ACTION_SEND
+        sendIntent.putExtra(Intent.EXTRA_TEXT, text)
+        sendIntent.type = "text/plain"
+        val chooser = Intent.createChooser(sendIntent, from.getString(R.string.share))
+        return runCatching {
+            from.startActivity(chooser)
+            true
+        }.getOrElse {
+            ExceptionUtils.throwIfFatal(it)
+            Toast.makeText(from, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show()
+            false
         }
     }
 }