1,自定义EditTextpackage com.example.ui;import android.annotation.SuppressLint;import android.content.Context;import android.util.AttributeSet;import android.view.ActionMode;import android.view.Menu;import android.view.MenuItem;import android.widget.EditText;  @SuppressLint("NewApi")public class NoMenuEditText extends EditText {private final Context context;  /*** This is a replacement method for the base TextView class' method of the* same name. This method is used in hidden class android.widget.Editor to* determine whether the PASTE/REPLACE popup appears when triggered from the* text insertion handle. Returning false forces this window to never* appear.* * @return false*/boolean canPaste() {return false;}  /*** This is a replacement method for the base TextView class' method of the* same name. This method is used in hidden class android.widget.Editor to* determine whether the PASTE/REPLACE popup appears when triggered from the* text insertion handle. Returning false forces this window to never* appear.* * @return false*/@Overridepublic boolean isSuggestionsEnabled() {return false;}  public NoMenuEditText(Context context) {super(context);this.context = context;init();}  public NoMenuEditText(Context context, AttributeSet attrs) {super(context, attrs);this.context = context;init();}  public NoMenuEditText(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);this.context = context;init();}  private void init() {this.setCustomSelectionActionModeCallback(new ActionModeCallbackInterceptor());this.setLongClickable(false);}  /*** Prevents the action bar (top horizontal bar with cut, copy, paste, etc.)* from appearing by intercepting the callback that would cause it to be* created, and returning false.*/private class ActionModeCallbackInterceptor implements ActionMode.Callback {private final String TAG = NoMenuEditText.class.getSimpleName();  public boolean onCreateActionMode(ActionMode mode, Menu menu) {return false;}  public boolean onPrepareActionMode(ActionMode mode, Menu menu) {return false;}  public boolean onActionItemClicked(ActionMode mode, MenuItem item) {return false;}  public void onDestroyActionMode(ActionMode mode) {}}}2,在layout.xml文件中这样使用