227 lines
8.2 KiB
Java
227 lines
8.2 KiB
Java
/*
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* Copyright (C) 2008-2009 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.latin;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.Editor;
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import android.graphics.drawable.Drawable;
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import android.opengl.Visibility;
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import android.os.Handler;
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import android.os.Message;
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import android.os.SystemClock;
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import android.preference.PreferenceManager;
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import android.text.Layout;
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import android.text.StaticLayout;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.widget.PopupWindow;
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import android.widget.TextView;
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import java.util.ArrayList;
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import java.util.List;
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public class Tutorial {
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private List<Bubble> mBubbles = new ArrayList<Bubble>();
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private long mStartTime;
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private static final long MINIMUM_TIME = 6000;
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private static final long MAXIMUM_TIME = 20000;
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private View mInputView;
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private int[] mLocation = new int[2];
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private int mBubblePointerOffset;
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private static final int MSG_SHOW_BUBBLE = 0;
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private static final int MSG_HIDE_ALL = 1;
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Handler mHandler = new Handler() {
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case MSG_SHOW_BUBBLE:
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Bubble bubba = (Bubble) msg.obj;
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bubba.show(mLocation[0], mLocation[1]);
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break;
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case MSG_HIDE_ALL:
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close(true);
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}
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}
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};
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class Bubble {
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Drawable bubbleBackground;
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int x;
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int y;
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int width;
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int gravity;
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String text;
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boolean dismissOnTouch;
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boolean dismissOnClose;
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PopupWindow window;
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TextView textView;
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View inputView;
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Bubble(Context context, View inputView,
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int backgroundResource, int bx, int by, int bw, int gravity, int textResource,
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boolean dismissOnTouch, boolean dismissOnClose) {
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bubbleBackground = context.getResources().getDrawable(backgroundResource);
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x = bx;
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y = by;
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width = bw;
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this.gravity = gravity;
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text = context.getResources().getString(textResource);
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this.dismissOnTouch = dismissOnTouch;
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this.dismissOnClose = dismissOnClose;
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this.inputView = inputView;
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window = new PopupWindow(context);
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window.setBackgroundDrawable(null);
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LayoutInflater inflate =
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(LayoutInflater) context
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.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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textView = (TextView) inflate.inflate(R.layout.bubble_text, null);
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textView.setBackgroundDrawable(bubbleBackground);
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textView.setText(text);
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window.setContentView(textView);
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window.setFocusable(false);
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window.setTouchable(true);
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window.setOutsideTouchable(false);
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textView.setOnTouchListener(new View.OnTouchListener() {
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public boolean onTouch(View view, MotionEvent me) {
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Tutorial.this.touched();
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return true;
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}
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});
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}
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private void chooseSize(PopupWindow pop, View parentView, CharSequence text, TextView tv) {
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int wid = tv.getPaddingLeft() + tv.getPaddingRight();
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int ht = tv.getPaddingTop() + tv.getPaddingBottom();
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/*
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* Figure out how big the text would be if we laid it out to the
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* full width of this view minus the border.
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*/
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int cap = width - wid;
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Layout l = new StaticLayout(text, tv.getPaint(), cap,
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Layout.Alignment.ALIGN_NORMAL, 1, 0, true);
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float max = 0;
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for (int i = 0; i < l.getLineCount(); i++) {
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max = Math.max(max, l.getLineWidth(i));
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}
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/*
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* Now set the popup size to be big enough for the text plus the border.
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*/
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pop.setWidth(width);
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pop.setHeight(ht + l.getHeight());
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}
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void show(int offx, int offy) {
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chooseSize(window, inputView, text, textView);
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if (inputView.getVisibility() == View.VISIBLE
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&& inputView.getWindowVisibility() == View.VISIBLE) {
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try {
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if ((gravity & Gravity.BOTTOM) == Gravity.BOTTOM) offy -= window.getHeight();
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if ((gravity & Gravity.RIGHT) == Gravity.RIGHT) offx -= window.getWidth();
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window.showAtLocation(inputView, Gravity.NO_GRAVITY, x + offx, y + offy);
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} catch (Exception e) {
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// Input view is not valid
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}
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}
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}
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void hide() {
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textView.setOnTouchListener(null);
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if (window.isShowing()) {
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window.dismiss();
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}
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}
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}
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public Tutorial(LatinKeyboardView inputView) {
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Context context = inputView.getContext();
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int inputHeight = inputView.getHeight();
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int inputWidth = inputView.getWidth();
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mBubblePointerOffset = inputView.getContext().getResources()
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.getDimensionPixelOffset(R.dimen.bubble_pointer_offset);
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Bubble b0 = new Bubble(context, inputView,
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R.drawable.dialog_bubble_step02, 0, 0,
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inputWidth,
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Gravity.BOTTOM | Gravity.LEFT,
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R.string.tip_dismiss,
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false, true);
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mBubbles.add(b0);
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Bubble b1 = new Bubble(context, inputView,
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R.drawable.dialog_bubble_step03,
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(int) (inputWidth * 0.85) + mBubblePointerOffset, inputHeight / 5,
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(int) (inputWidth * 0.45),
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Gravity.TOP | Gravity.RIGHT,
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R.string.tip_long_press,
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true, false);
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mBubbles.add(b1);
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Bubble b2 = new Bubble(inputView.getContext(), inputView,
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R.drawable.dialog_bubble_step04,
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inputWidth / 10 - mBubblePointerOffset, inputHeight - inputHeight / 5,
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(int) (inputWidth * 0.45),
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Gravity.BOTTOM | Gravity.LEFT,
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R.string.tip_access_symbols,
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true, false);
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mBubbles.add(b2);
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mInputView = inputView;
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}
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void start() {
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mInputView.getLocationInWindow(mLocation);
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long delayMillis = 0;
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for (int i = 0; i < mBubbles.size(); i++) {
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mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_SHOW_BUBBLE, mBubbles.get(i)), delayMillis);
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delayMillis += 2000;
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}
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//mHandler.sendEmptyMessageDelayed(MSG_HIDE_ALL, MAXIMUM_TIME);
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mStartTime = SystemClock.uptimeMillis();
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}
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void touched() {
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if (SystemClock.uptimeMillis() - mStartTime < MINIMUM_TIME) {
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return;
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}
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for (int i = 0; i < mBubbles.size(); i++) {
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Bubble bubba = mBubbles.get(i);
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if (bubba.dismissOnTouch) {
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bubba.hide();
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}
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}
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}
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void close(boolean completed) {
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mHandler.removeMessages(MSG_SHOW_BUBBLE);
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for (int i = 0; i < mBubbles.size(); i++) {
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mBubbles.get(i).hide();
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}
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if (completed) {
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SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(
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mInputView.getContext());
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Editor editor = sp.edit();
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editor.putBoolean(LatinIME.PREF_TUTORIAL_RUN, true);
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editor.commit();
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}
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}
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}
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