Simplified PIN focus

app/src/main/java/eu/faircode/email/Helper.java

@@ -1377,8 +1377,12 @@ public class Helper {
         view.postDelayed(new Runnable() {
             @Override
             public void run() {
-                Log.i("showKeyboard view=" + view);
-                imm.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT);
+                try {
+                    Log.i("showKeyboard view=" + view);
+                    imm.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT);
+                } catch (Throwable ex) {
+                    Log.e(ex);
+                }
             }
         }, 250);
     }
@@ -1390,8 +1394,12 @@ public class Helper {
         if (imm == null)
             return;
 
-        Log.i("hideKeyboard view=" + view);
-        imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
+        try {
+            Log.i("hideKeyboard view=" + view);
+            imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
+        } catch (Throwable ex) {
+            Log.e(ex);
+        }
     }
 
     static String getViewName(View view) {
@@ -2317,32 +2325,7 @@ public class Helper {
                 @Override
                 public void onFocusChange(View v, boolean hasFocus) {
                     if (hasFocus)
-                        try {
-                            dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
-                        } catch (Throwable ex) {
-                            Log.e(ex);
-                            /*
-                                java.lang.IllegalArgumentException: View=DecorView@f197613[ActivityMain] not attached to window manager
-                                        at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:604)
-                                        at android.view.WindowManagerGlobal.updateViewLayout(WindowManagerGlobal.java:493)
-                                        at android.view.WindowManagerImpl.updateViewLayout(WindowManagerImpl.java:121)
-                                        at android.app.Dialog.onWindowAttributesChanged(Dialog.java:1072)
-                                        at androidx.appcompat.view.WindowCallbackWrapper.onWindowAttributesChanged(WindowCallbackWrapper:114)
-                                        at android.view.Window.dispatchWindowAttributesChanged(Window.java:1236)
-                                        at com.android.internal.policy.PhoneWindow.dispatchWindowAttributesChanged(PhoneWindow.java:3229)
-                                        at android.view.Window.setSoftInputMode(Window.java:1123)
-                                        at eu.faircode.email.Helper$15.onFocusChange(Helper:2169)
-                                        at android.view.View.onFocusChanged(View.java:8828)
-                                        at android.widget.TextView.onFocusChanged(TextView.java:12091)
-                                        at android.widget.EditText.onFocusChanged(EditText.java:248)
-                                        at android.view.View.handleFocusGainInternal(View.java:8498)
-                                        at android.view.View.requestFocusNoSearch(View.java:14103)
-                                        at android.view.View.requestFocus(View.java:14077)
-                                        at android.view.View.requestFocus(View.java:14044)
-                                        at android.view.View.requestFocus(View.java:13986)
-                                        at eu.faircode.email.Helper$16.run(Helper:2187)
-                             */
-                        }
+                        showKeyboard(etPin);
                 }
             });
 
@@ -2355,7 +2338,7 @@ public class Helper {
                 long wait = (long) Math.pow(PIN_FAILURE_DELAY, pin_failure_count) * 1000L;
                 long delay = pin_failure_at + wait - new Date().getTime();
                 Log.i("PIN wait=" + wait + " delay=" + delay);
-                ApplicationEx.getMainHandler().postDelayed(new Runnable() {
+                dview.postDelayed(new Runnable() {
                     @Override
                     public void run() {
                         etPin.setCompoundDrawables(null, null, null, null);