public class ResizeLayout extends FrameLayout { private OnkeyboardShowListener mChangedListener; private boolean misKeyboardshow = false; private RRSharedPreferences preferences; private int keyboardHeight = DipUtil.calcFromDip(Config.DEFAULT_KEYBOARD_HIGHT); private final int THRESHOLD = 100; /** * @param context * @param attrs */ public ResizeLayout(Context context, AttributeSet attrs) { super(context, attrs); preferences = new RRSharedPreferences(context); } public static interface OnkeyboardShowListener { public void onKeyboardShow(); public void onKeyboardHide(); public void onKeyboardShowOver(); } @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); if (oldh - h > THRESHOLD) { //键盘弹出了 misKeyboardshow = true; keyboardHeight = oldh - h; preferences.putIntValue(Config.KEYBOARD_HIGHT, keyboardHeight); if (mChangedListener != null) { mChangedListener.onKeyboardShow(); } } else if (h < oldh && misKeyboardshow) { //键盘变高了 if (keyboardHeight == DipUtil.calcFromDip(Config.DEFAULT_KEYBOARD_HIGHT)) { preferences.getIntValue(Config.KEYBOARD_HIGHT, DipUtil.calcFromDip(Config.DEFAULT_KEYBOARD_HIGHT)); } if (keyboardHeight != DipUtil.calcFromDip(Config.DEFAULT_KEYBOARD_HIGHT)) { keyboardHeight += oldh - h; preferences.putIntValue(Config.KEYBOARD_HIGHT, keyboardHeight); } if (mChangedListener != null) { mChangedListener.onKeyboardShow(); } } else if (h - oldh > THRESHOLD) { //键盘隐藏了 misKeyboardshow = false; if (mChangedListener != null) { mChangedListener.onKeyboardHide(); } } else if (h > oldh && misKeyboardshow) { //键盘收缩了 if (keyboardHeight == DipUtil.calcFromDip(Config.DEFAULT_KEYBOARD_HIGHT)) { preferences.getIntValue(Config.KEYBOARD_HIGHT, DipUtil.calcFromDip(Config.DEFAULT_KEYBOARD_HIGHT)); } if (keyboardHeight != DipUtil.calcFromDip(Config.DEFAULT_KEYBOARD_HIGHT)) { keyboardHeight -= h - oldh; preferences.putIntValue(Config.KEYBOARD_HIGHT, keyboardHeight); } if (mChangedListener != null) { mChangedListener.onKeyboardShow(); } } CommonUtil.log("NCS", "keyboard height:"+ keyboardHeight); } @Override protected void onLayout(boolean changed, int left, int top, int right, int bottom) { super.onLayout(changed, left, top, right, bottom); CommonUtil.log("NCS", "top:" + top + "--bottom:" + bottom); if (mChangedListener != null && misKeyboardshow) { mChangedListener.onKeyboardShowOver(); } } public boolean isKeyboardShowing() { return misKeyboardshow; } public void setOnKeyboardShowListener(OnkeyboardShowListener listener) { mChangedListener = listener; } }
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