Revert "Make IME handling deterministic in CryptKeeper"

This reverts commit 4ae46cd1ad0725c8049c3954de19874df8483983.

Bug: 36148078

Change-Id: I776ad2e6ba0eabacb3d6be6de23ba37fe5ce7bc7
diff --git a/res/layout/crypt_keeper_password_field.xml b/res/layout/crypt_keeper_password_field.xml
index eb89b70..8102658 100644
--- a/res/layout/crypt_keeper_password_field.xml
+++ b/res/layout/crypt_keeper_password_field.xml
@@ -21,7 +21,7 @@
      switcher, if necessary. Assumed to be in a horizontal LinearLayout. -->
 <merge xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <com.android.settings.widget.ImeAwareEditText android:id="@+id/passwordEntry"
+    <EditText android:id="@+id/passwordEntry"
         android:layout_height="wrap_content"
         android:layout_width="0dip"
         android:layout_weight="1"
diff --git a/src/com/android/settings/CryptKeeper.java b/src/com/android/settings/CryptKeeper.java
index 99c6e8b..94ea2e7 100644
--- a/src/com/android/settings/CryptKeeper.java
+++ b/src/com/android/settings/CryptKeeper.java
@@ -57,6 +57,7 @@
 import android.view.inputmethod.InputMethodManager;
 import android.view.inputmethod.InputMethodSubtype;
 import android.widget.Button;
+import android.widget.EditText;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
@@ -65,7 +66,6 @@
 import com.android.internal.widget.LockPatternView;
 import com.android.internal.widget.LockPatternView.Cell;
 import com.android.internal.widget.LockPatternView.DisplayMode;
-import com.android.settings.widget.ImeAwareEditText;
 
 import java.util.List;
 
@@ -122,7 +122,7 @@
     private boolean mCooldown = false;
 
     PowerManager.WakeLock mWakeLock;
-    private ImeAwareEditText mPasswordEntry;
+    private EditText mPasswordEntry;
     private LockPatternView mLockPatternView;
     /** Number of calls to {@link #notifyUser()} to ignore before notifying. */
     private int mNotificationCountdown = 0;
@@ -277,7 +277,9 @@
             // Reenable the password entry
             if (mPasswordEntry != null) {
                 mPasswordEntry.setEnabled(true);
-                mPasswordEntry.scheduleShowSoftInput();
+                final InputMethodManager imm = (InputMethodManager) getSystemService(
+                        Context.INPUT_METHOD_SERVICE);
+                imm.showSoftInput(mPasswordEntry, 0);
                 setBackFunctionality(true);
             }
         }
@@ -742,7 +744,7 @@
 
      private void passwordEntryInit() {
         // Password/pin case
-        mPasswordEntry = (ImeAwareEditText) findViewById(R.id.passwordEntry);
+        mPasswordEntry = (EditText) findViewById(R.id.passwordEntry);
         if (mPasswordEntry != null){
             mPasswordEntry.setOnEditorActionListener(this);
             mPasswordEntry.requestFocus();
@@ -795,13 +797,16 @@
             }
         }
 
-        // Make sure that the IME is shown when everything becomes ready.
+        // Asynchronously throw up the IME, since there are issues with requesting it to be shown
+        // immediately.
         if (mLockPatternView == null && !mCooldown) {
             getWindow().setSoftInputMode(
                                 WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
-            if (mPasswordEntry != null) {
-                mPasswordEntry.scheduleShowSoftInput();
-            }
+            mHandler.postDelayed(new Runnable() {
+                @Override public void run() {
+                    imm.showSoftInputUnchecked(0, null);
+                }
+            }, 0);
         }
 
         updateEmergencyCallButtonState();
diff --git a/src/com/android/settings/widget/ImeAwareEditText.java b/src/com/android/settings/widget/ImeAwareEditText.java
deleted file mode 100644
index 6e70929..0000000
--- a/src/com/android/settings/widget/ImeAwareEditText.java
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Copyright (C) 2017 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.widget;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.inputmethod.EditorInfo;
-import android.view.inputmethod.InputConnection;
-import android.view.inputmethod.InputMethodManager;
-import android.widget.EditText;
-
-public class ImeAwareEditText extends EditText {
-    private boolean mHasPendingShowSoftInputRequest;
-    final Runnable mRunShowSoftInputIfNecessary = () -> showSoftInputIfNecessary();
-
-    public ImeAwareEditText(Context context) {
-        super(context, null);
-    }
-
-    public ImeAwareEditText(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public ImeAwareEditText(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    public ImeAwareEditText(Context context, AttributeSet attrs, int defStyleAttr,
-            int defStyleRes) {
-        super(context, attrs, defStyleAttr, defStyleRes);
-    }
-
-    /**
-     * This method is called back by the system when the system is about to establish a connection
-     * to the current input method.
-     *
-     * <p>This is a good and reliable signal to schedule a pending task to call
-     * {@link InputMethodManager#showSoftInput(View, int)}.</p>
-     *
-     * @param editorInfo context about the text input field.
-     * @return {@link InputConnection} to be passed to the input method.
-     */
-    @Override
-    public InputConnection onCreateInputConnection(EditorInfo editorInfo) {
-        final InputConnection ic = super.onCreateInputConnection(editorInfo);
-        if (mHasPendingShowSoftInputRequest) {
-            removeCallbacks(mRunShowSoftInputIfNecessary);
-            post(mRunShowSoftInputIfNecessary);
-        }
-        return ic;
-    }
-
-    private void showSoftInputIfNecessary() {
-        if (mHasPendingShowSoftInputRequest) {
-            final InputMethodManager imm =
-                    getContext().getSystemService(InputMethodManager.class);
-            imm.showSoftInput(this, 0);
-            mHasPendingShowSoftInputRequest = false;
-        }
-    }
-
-    public void scheduleShowSoftInput() {
-        final InputMethodManager imm = getContext().getSystemService(InputMethodManager.class);
-        if (imm.isActive(this)) {
-            // This means that ImeAwareEditText is already connected to the IME.
-            // InputMethodManager#showSoftInput() is guaranteed to pass client-side focus check.
-            mHasPendingShowSoftInputRequest = false;
-            removeCallbacks(mRunShowSoftInputIfNecessary);
-            imm.showSoftInput(this, 0);
-            return;
-        }
-
-        // Otherwise, InputMethodManager#showSoftInput() should be deferred after
-        // onCreateInputConnection().
-        mHasPendingShowSoftInputRequest = true;
-    }
-}