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首先在布局文件中添加下面这两行

然后在java代码中添加输入框的监听

 //设置输入框监听
                            film_ed_search.setOnEditorActionListener(new TextView.OnEditorActionListener() {
                                @Override
                                public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                                    //注意:搜狗输入法需要多加后面一层判断EditorInfo.IME_ACTION_UNSPECIFIED
                                    if (actionId == EditorInfo.IME_ACTION_SEARCH || actionId == EditorInfo.IME_ACTION_UNSPECIFIED) {//搜索按键
                                        ((InputMethodManager) film_ed_search.getContext()
                                                .getSystemService(Context.INPUT_METHOD_SERVICE))
                                                .hideSoftInputFromWindow(getActivity().getCurrentFocus()
                                                                .getWindowToken(),
                                                        InputMethodManager.HIDE_NOT_ALWAYS);
                                        //实现自己的搜索逻辑
                                        String searchKey = film_ed_search.getText().toString().trim();
                                        if (TextUtils.isEmpty(searchKey)) {
                                            showToast("输入内容不能为空哦");
                                            return false;
                                        }
                                        //跳转
                                        Intent intent = new Intent(getActivity(), SearchCinemaActivity.class);
                                        intent.putExtra("searchCinema", film_ed_search.getText().toString());
                                        startActivity(intent);
                                        return true;
                                    }
                                    return false;
                                }
                            });

效果如下

本文标签: 输入法换行按钮