| /* |
| * Copyright (C) 2006 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 android.widget; |
| |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.util.AttributeSet; |
| import android.widget.RemoteViews.RemoteView; |
| |
| /** |
| * Simple {@link ViewAnimator} that will animate between two or more views |
| * that have been added to it. Only one child is shown at a time. If |
| * requested, can automatically flip between each child at a regular interval. |
| * |
| * @attr ref android.R.styleable#ViewFlipper_flipInterval |
| */ |
| public class ViewFlipper extends ViewAnimator { |
| private int mFlipInterval = 3000; |
| private boolean mKeepFlipping = false; |
| |
| public ViewFlipper(Context context) { |
| super(context); |
| } |
| |
| public ViewFlipper(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| |
| TypedArray a = context.obtainStyledAttributes(attrs, |
| com.android.internal.R.styleable.ViewFlipper); |
| mFlipInterval = a.getInt(com.android.internal.R.styleable.ViewFlipper_flipInterval, |
| 3000); |
| a.recycle(); |
| } |
| |
| /** |
| * How long to wait before flipping to the next view |
| * |
| * @param milliseconds |
| * time in milliseconds |
| */ |
| @android.view.RemotableViewMethod |
| public void setFlipInterval(int milliseconds) { |
| mFlipInterval = milliseconds; |
| } |
| |
| /** |
| * Start a timer to cycle through child views |
| */ |
| public void startFlipping() { |
| if (!mKeepFlipping) { |
| mKeepFlipping = true; |
| showOnly(mWhichChild); |
| Message msg = mHandler.obtainMessage(FLIP_MSG); |
| mHandler.sendMessageDelayed(msg, mFlipInterval); |
| } |
| } |
| |
| /** |
| * No more flips |
| */ |
| public void stopFlipping() { |
| mKeepFlipping = false; |
| } |
| |
| /** |
| * Returns true if the child views are flipping. |
| */ |
| public boolean isFlipping() { |
| return mKeepFlipping; |
| } |
| |
| private final int FLIP_MSG = 1; |
| |
| private final Handler mHandler = new Handler() { |
| @Override |
| public void handleMessage(Message msg) { |
| if (msg.what == FLIP_MSG) { |
| if (mKeepFlipping) { |
| showNext(); |
| msg = obtainMessage(FLIP_MSG); |
| sendMessageDelayed(msg, mFlipInterval); |
| } |
| } |
| } |
| }; |
| } |