序 、项目有一版本是在优化了直播的聊天功能 ，需要自定义表情面板 。emmmm 。
效果图
功能点 ：
点击左边的笑脸会弹出表情面板 ，点击输入框会切换到键盘 。
直接上代码
package com.developers.superdemo01.smooth;import android.annotation.TargetApi;import android.content.Context;import android.content.SharedPreferences;import android.content.res.TypedArray;import android.util.AttributeSet;import android.util.Log;import android.view.View;import android.view.ViewGroup;import android.view.inputmethod.InputMethodManager;import android.widget.LinearLayout;import com.developers.superdemo01.R;/*** @Author yinzh* @Date /7/2 13:43* @Description 表情输入面板*/public class SmoothInputLayout extends LinearLayout {public static final int DEFAULT_KEYBOARD_HEIGHT = 387;public static final int MIN_KEYBOARD_HEIGHT = 20;private static final String SP_KEYBOARD = "keyboard";private static final String KEY_HEIGHT = "height";private int mMaxKeyboardHeight = Integer.MIN_VALUE;private int mDefaultKeyboardHeight = 387;private int mMinKeyboardHeight;private int mKeyboardHeight;private int mInputViewId;private View mInputView;private boolean mKeyboardOpen = false;private boolean mKeyboardOpenOne = false;private int mInputPaneId;private View mInputPane;private OnVisibilityChangeListener mListener;private OnKeyboardChangeListener keyboardChangeListener;private boolean mAutoSaveKeyboardHeight;private KeyboardProcessor mKeyboardProcessor;private boolean tShowInputPane = false;public SmoothInputLayout(Context context) {super(context);initView(null);}public SmoothInputLayout(Context context, AttributeSet attrs) {super(context, attrs);initView(attrs);}@TargetApi(11)public SmoothInputLayout(Context context, AttributeSet attrs, int defStyleAttr) {super(context, attrs, defStyleAttr);initView(attrs);}@TargetApi(21)public SmoothInputLayout(Context context, AttributeSet attrs, int defStyleAttr,int defStyleRes) {super(context, attrs, defStyleAttr, defStyleRes);initView(attrs);}private void initView(AttributeSet attrs) {int defaultInputHeight = (int) (DEFAULT_KEYBOARD_HEIGHT *getResources().getDisplayMetrics().density);int minInputHeight = (int) (MIN_KEYBOARD_HEIGHT *getResources().getDisplayMetrics().density);mInputViewId = NO_ID;mInputPaneId = NO_ID;boolean autoSave;TypedArray custom = getContext().obtainStyledAttributes(attrs,R.styleable.SmoothInputLayout);defaultInputHeight = custom.getDimensionPixelOffset(R.styleable.SmoothInputLayout_silDefaultKeyboardHeight, defaultInputHeight);minInputHeight = custom.getDimensionPixelOffset(R.styleable.SmoothInputLayout_silMinKeyboardHeight, minInputHeight);mInputViewId = custom.getResourceId(R.styleable.SmoothInputLayout_silInputView,mInputViewId);mInputPaneId = custom.getResourceId(R.styleable.SmoothInputLayout_silInputPane,mInputPaneId);autoSave = custom.getBoolean(R.styleable.SmoothInputLayout_silAutoSaveKeyboardHeight,true);custom.recycle();setDefaultKeyboardHeight(defaultInputHeight);setMinKeyboardHeight(minInputHeight);setAutoSaveKeyboardHeight(autoSave);}@Overrideprotected void onFinishInflate() {super.onFinishInflate();if (mInputViewId != NO_ID) {setInputView(findViewById(mInputViewId));}if (mInputPaneId != NO_ID) {setInputPane(findViewById(mInputPaneId));}}@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {final int heightSize = MeasureSpec.getSize(heightMeasureSpec);if(mMaxKeyboardHeight > 3000){ // 此处代码是为了限制横竖屏切换的时候值过高问题 。mMaxKeyboardHeight = heightSize;}if (heightSize > mMaxKeyboardHeight) {mMaxKeyboardHeight = heightSize;}final int heightChange = mMaxKeyboardHeight - heightSize;Log.i("SSSSSSSSSSSS", heightSize + "= heightSize=" + mMaxKeyboardHeight + "= mMaxKeyboardHeight = " + heightChange + "=heightChange = " + mMinKeyboardHeight + "=mMinKeyboardHeight");if (heightChange > mMinKeyboardHeight) {if (mKeyboardHeight != heightChange) {mKeyboardHeight = heightChange;saveKeyboardHeight();}mKeyboardOpen = true;// 输入法弹出，隐藏功能面板if (mInputPane != null && mInputPane.getVisibility() == VISIBLE) {mInputPane.setVisibility(GONE);if (mListener != null)mListener.onVisibilityChange(GONE);}} else {mKeyboardOpen = false;if (tShowInputPane) {tShowInputPane = false;if (mInputPane != null && mInputPane.getVisibility() == GONE) {updateLayout();mInputPane.setVisibility(VISIBLE);if (mListener != null)mListener.onVisibilityChange(VISIBLE);forceLayout();}}}Log.i("SSSSSSSSSSSS", mKeyboardOpen + "=========");super.onMeasure(widthMeasureSpec, heightMeasureSpec);}@Overrideprotected void onSizeChanged(int w, int h, int oldw, int oldh) {super.onSizeChanged(w, h, oldw, oldh);if (keyboardChangeListener != null)keyboardChangeListener.onKeyboardChanged(mKeyboardOpen);}/*** 获取键盘SP** @return 键盘SP*/private SharedPreferences getKeyboardSharedPreferences() {return getContext().getSharedPreferences(SP_KEYBOARD, Context.MODE_PRIVATE);}/*** 存储键盘高度*/private void saveKeyboardHeight() {if (mAutoSaveKeyboardHeight)getKeyboardSharedPreferences().edit().putInt(KEY_HEIGHT, mKeyboardHeight).commit();else {if (mKeyboardProcessor != null)mKeyboardProcessor.onSaveKeyboardHeight(mKeyboardHeight);}}/*** 更新子项高度*/private void updateLayout() {if (mInputPane == null)return;if (mKeyboardHeight == 0)mKeyboardHeight = getKeyboardHeight(mDefaultKeyboardHeight);ViewGroup.LayoutParams layoutParams = mInputPane.getLayoutParams();if (layoutParams != null) {layoutParams.height = mKeyboardHeight;mInputPane.setLayoutParams(layoutParams);}}private int getKeyboardHeight(int defaultHeight) {if (mAutoSaveKeyboardHeight)return getKeyboardSharedPreferences().getInt(KEY_HEIGHT, defaultHeight);elsereturn mKeyboardProcessor != null ?mKeyboardProcessor.getSavedKeyboardHeight(defaultHeight) : defaultHeight;}/*** 设置默认系统输入面板高度** @param height 输入面板高度*/public void setDefaultKeyboardHeight(int height) {if (mDefaultKeyboardHeight != height)mDefaultKeyboardHeight = height;}/*** 设置最小系统输入面板高度** @param height 输入面板高度*/public void setMinKeyboardHeight(int height) {if (mMinKeyboardHeight != height)mMinKeyboardHeight = height;}/*** 设置输入框** @param edit 输入框*/public void setInputView(View edit) {if (mInputView != edit)mInputView = edit;}/*** 设置特殊输入面板** @param pane 面板*/public void setInputPane(View pane) {if (mInputPane != pane)mInputPane = pane;}/*** 设置面板可见改变监听** @param listener 面板可见改变监听*/public void setOnVisibilityChangeListener(OnVisibilityChangeListener listener) {mListener = listener;}/*** 设置键盘改变监听** @param listener 键盘改变监听*/public void setOnKeyboardChangeListener(OnKeyboardChangeListener listener) {keyboardChangeListener = listener;}/*** 设置自动保存键盘高度** @param auto 是否自动*/public void setAutoSaveKeyboardHeight(boolean auto) {mAutoSaveKeyboardHeight = auto;}/*** 设置键盘处理器* 仅在关闭自动保存键盘高度时设置的处理器才有效{@link #setAutoSaveKeyboardHeight(boolean)}** @param processor 处理器*/public void setKeyboardProcessor(KeyboardProcessor processor) {mKeyboardProcessor = processor;}/*** 是否输入法已打开** @return 是否输入法已打开*/public boolean isKeyBoardOpen() {return mKeyboardOpen;}public boolean isKeyboardOpenOne() {return mKeyboardOpenOne;}public void setmKeyboardOpenOne(boolean mKeyboardOpenOne) {this.mKeyboardOpenOne = mKeyboardOpenOne;}public void setKeyboardOpen(boolean mKeyboardOpen) {this.mKeyboardOpen = mKeyboardOpen;}/*** 是否特殊输入面板已打开** @return 特殊输入面板已打开*/public boolean isInputPaneOpen() {return mInputPane != null && mInputPane.getVisibility() == VISIBLE;}/*** 关闭特殊输入面板*/public void closeInputPane() {if (isInputPaneOpen()) {mInputPane.setVisibility(GONE);if (mListener != null)mListener.onVisibilityChange(GONE);}}/*** 显示特殊输入面板** @param focus 是否让输入框拥有焦点*/public void showInputPane(boolean focus) {if (isKeyBoardOpen()) {tShowInputPane = true;InputMethodManager imm = ((InputMethodManager) (getContext().getSystemService(Context.INPUT_METHOD_SERVICE)));if (imm != null) {imm.hideSoftInputFromWindow(getWindowToken(),InputMethodManager.HIDE_NOT_ALWAYS);}} else {if (mInputPane != null && mInputPane.getVisibility() == GONE) {updateLayout();mInputPane.setVisibility(VISIBLE);if (mListener != null)mListener.onVisibilityChange(VISIBLE);}}if (focus) {if (mInputView != null) {mInputView.requestFocus();mInputView.requestFocusFromTouch();}} else {if (mInputView != null) {setFocusable(true);setFocusableInTouchMode(true);mInputView.clearFocus();}}}/*** 关闭键盘** @param clearFocus 是否清除输入框焦点*/public void closeKeyboard(boolean clearFocus) {InputMethodManager imm = ((InputMethodManager) (getContext().getSystemService(Context.INPUT_METHOD_SERVICE)));if (imm != null) {imm.hideSoftInputFromWindow(getWindowToken(),InputMethodManager.HIDE_NOT_ALWAYS);}if (clearFocus && mInputView != null) {setFocusable(true);setFocusableInTouchMode(true);mInputView.clearFocus();}}/*** 打开键盘*/public void showKeyboard() {if (mInputView == null) {return;}mInputView.requestFocus();mInputView.requestFocusFromTouch();InputMethodManager imm = ((InputMethodManager) (getContext().getSystemService(Context.INPUT_METHOD_SERVICE)));if (imm != null) {imm.showSoftInput(mInputView, InputMethodManager.SHOW_IMPLICIT);}}/*** 面板可见改变监听*/public interface OnVisibilityChangeListener {void onVisibilityChange(int visibility);}/*** 键盘改变监听*/public interface OnKeyboardChangeListener {void onKeyboardChanged(boolean open);}/*** 键盘处理器*/public interface KeyboardProcessor {/*** 存储键盘高度** @param height 高度*/void onSaveKeyboardHeight(int height);/*** 获取存储的键盘高度** @param defaultHeight 默认高度* @return 键盘高度*/int getSavedKeyboardHeight(int defaultHeight);}}
注意事项：
需要在配置清单设置
android:configChanges="keyboardHidden|orientation|screenSize"android:windowSoftInputMode="adjustResize" >
github地址 ：
/spuermax/SuperDemo01
