如何在Android中使用EditText实现批量搜索关键词

package com.jackie.searchresultedittext;  import android.content.Context; import android.graphics.Color; import android.util.AttributeSet; import android.view.Gravity; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.inputmethod.EditorInfo; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.TextView;   public class SearchEditText extends RelativeLayout {   private Context mContext;   private LayoutInflater mInflater;   private View mView;   private LinearLayout mContainer;   private EditText mEditText = null;    public SearchEditText(Context context) {     this(context, null);   }    public SearchEditText(Context context, AttributeSet attrs) {     this(context, attrs, 0);   }    public SearchEditText(Context context, AttributeSet attrs, int defStyleAttr) {     super(context, attrs, defStyleAttr);     init(context);   }      private OnSearchChangeListener mSearchChangeListener;    public interface OnSearchChangeListener {     void searchChange(String s);     void removeView(int position);   }    public void setOnSearchChangeListener(OnSearchChangeListener searchChangeListener) {     mSearchChangeListener = searchChangeListener;   }    private void init(Context context) {     mContext = context;     mInflater = LayoutInflater.from(mContext);     mView = mInflater.inflate(R.layout.search_edittext_layout, null);     LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);     params.leftMargin = 15;     params.rightMargin = 15;     addView(mView, params);          mContainer = (LinearLayout) mView.findViewById(R.id.layout);     mEditText = (EditText) mView.findViewById(R.id.edittext);     mEditText.setOnKeyListener(new OnKeyListener() {       @Override       public boolean onKey(View v, int keyCode, KeyEvent event) {         if (keyCode == KeyEvent.KEYCODE_DEL) {           if (isNotFastClick()) {             if (mEditText.getText().toString().length() > 0) {               String str = mEditText.getText().toString();               str = str.substring(0, str.length() - 1);               mEditText.setText(str);               mEditText.setSelection(str.length());             } else {               if (mContainer.getChildCount() > 0) {                 if (mSearchChangeListener != null) {                   mSearchChangeListener.removeView(mContainer.getChildCount() - 1);                 }                  mContainer.removeViewAt(mContainer.getChildCount() - 1);               }             }           }         }          return true;       }     });      mEditText.setOnEditorActionListener(new TextView.OnEditorActionListener() {       @Override       public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {         if (actionId == EditorInfo.IME_ACTION_SEARCH) {            if (mEditText.getText().toString().trim().equals("")) {             return true;           }            TextView textView = new TextView(mContext);           textView.setText(mEditText.getText().toString().trim());           textView.setTextSize(14);           textView.setTextColor(Color.parseColor("#dfe0e0"));           textView.setPadding(10, 0, 10, 0);           textView.setBackgroundResource(R.drawable.shape_edittext_round_bg);           textView.setGravity(Gravity.CENTER);           LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);           params.leftMargin = 10;           textView.setLayoutParams(params);            if (mSearchChangeListener != null) {             mSearchChangeListener.searchChange(mEditText.getText().toString().trim());           }            mEditText.setText("");           mContainer.addView(textView);         }          return true;       }     });   }    public EditText getEditText() {     return mEditText;   }   public LinearLayout getContainer() {     return mContainer;   }    long lastClickTime = 0;    public boolean isNotFastClick() {     long time = System.currentTimeMillis();     if (time - lastClickTime >= 300) {       lastClickTime = time;       return true;     } else {       return false;     }   } }