Android使用EditText小技巧汇总

android:background="@null"
或android:background="@/drawable/bg_edittext_norma.xml"

<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <!--商品描述的可编辑框-->
    <solid android:color="#FFFFFF" />
    <corners android:radius="10dip"/>
    <stroke
        android:width="1dip"
        android:color="#BDC7D8" />
</shape>

<EditText
       style="?android:attr/textViewStyle"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:background="@null"
       android:hint="输入用户名"
       android:paddingBottom="5dip"
       android:paddingTop="5dip" />

                android:imeOptions="actionSearch"
                android:singleLine="true"

public class DrugCatalogueInquiryFragment extends GeneralSocialFragment implements TextView.OnEditorActionListener {

 private ClearEditText etDrugName;

 etDrugName = xFindViewById(R.id.et_drug_name);
 etDrugName.setOnEditorActionListener(this);

  @Override
    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
        doWhichOperation(actionId);
        return true;
    }

    private void doWhichOperation(int actionId) {
        switch (actionId) {
            case EditorInfo.IME_ACTION_SEARCH:
                //隐藏项目中弹框
                hideSoftInputMethod();

                //项目中个性化操作
                getEditTextValue();
                pageno = 1;
                getMedicineListInfoForApp(name,firstWord,type,level,pageno);
                break;
            default:
                break;
        }
    }

}

android:gravity="left"

<EditText   
    android:layout_width="match_parent"  
    android:layout_height="wrap_content"  
    android:minLines="5"  
    android:background="#ffffff"  
    android:paddingLeft="5dp"  
    android:gravity="left" />

android:textCursorDrawable="@null"
//或者
android:textCursorDrawable = "#fff000"

    private void initListener(){
        etDrugName.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View view, boolean b) {
                if (b){
                    TypeUtils.getInstance( getActivity() ).hideKeyboardView();
                }
            }
        });

        etDrugNameOfInitial.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View view, boolean b) {
                if (b){
                    TypeUtils.getInstance( getActivity() ).hideKeyboardView();
                }
            }
        });
    }

 android:ellipsize="end"

android:digits="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"

  /**
     * 通过使用Android源码中的InputFilter接口
     */
    InputFilter filter = new InputFilter() {
        public CharSequence filter(CharSequence source, int start, int end,
                                   Spanned dest, int dstart, int dend) {
            for (int i = start; i < end; i++) {
                if (!isChinese(source.charAt(i))) {
                    return "";
                }
            }
            return null;
        }
    };

    /**
     * 判定输入汉字
     *
     * @param c
     * @return
     */
    public static boolean isChinese(char c) {
        Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
        if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
                || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
                || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
                || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
                || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
                || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {
            return true;
        }
        return false;
    }