android 自定义通用标题

来源：互联网发布：解密知乎编辑：程序博客网时间：2024/05/29 07:47

项目中往往几个界面使用同一类型的标题布局，如果每次都重新定义，不仅增加工作量，如果出现错误，进行修改，也会要修改很多界面，并且容易遗漏，出错，比较好的方法是定义一个通用的布局，并且封装布局上按钮之类的点击事件。
这里写图片描述
先简单介绍一下这个布局，左侧为一个按钮，中间为搜索对话框，点击弹出对话框，并且设置软键盘enter图标为搜索图标，代码中捕捉搜索事件，右侧为一个FrameLayout布局，放了一个ImageView和一个TextView，根据功能选择其中一个进行显示
title_with_edittext.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/id_top"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:orientation="horizontal">    <ImageView        android:id="@+id/id_left"        android:layout_width="0dp"        android:layout_height="wrap_content"        android:layout_gravity="center_vertical"        android:padding="12dp"        android:layout_weight="1"        android:src="@mipmap/ic_launcher" />    <EditText        android:id="@+id/id_editTextSearch"        android:layout_width="0dp"        android:layout_height="wrap_content"        android:layout_gravity="center_vertical"        android:padding="12dp"        android:layout_weight="3"        android:imeOptions="actionSearch"        android:singleLine="true"        android:inputType="text"        android:drawableLeft="@mipmap/ic_launcher"        android:drawablePadding="10dp"        android:hint="@string/title"        android:textColor="#000000"        android:textSize="15sp"    />    <FrameLayout        android:id="@+id/id_right"        android:layout_width="0dp"        android:layout_height="wrap_content"        android:layout_gravity="center_vertical"        android:layout_weight="1">        <ImageView            android:id="@+id/id_rightImage"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_gravity="center"            android:padding="12dp"            android:src="@mipmap/ic_launcher" />        <TextView            android:id="@+id/id_rightText"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_gravity="center"            android:padding="12dp"            android:textColor="#000000" />    </FrameLayout></LinearLayout>

对应的自定义代码

/** * Created by Administrator on 2015/12/15 0015. * 包含搜索输入框的标题栏 */public class TitleWithEditText extends LinearLayout {    EditText editTextSearch;//搜索框    ImageView imageViewLeft;//左侧图片    ImageView imageViewRight;//右侧图片    TextView textViewRight;//右侧文本    FrameLayout frameLayoutRight;    private titleLayoutClick mListener;    public TitleWithEditText(Context context, AttributeSet attrs) {        super(context, attrs);        LayoutInflater.from(context).inflate(R.layout.title_with_edittext, this);        editTextSearch = (EditText) findViewById(R.id.id_editTextSearch);        imageViewLeft = (ImageView) findViewById(R.id.id_left);        imageViewRight = (ImageView) findViewById(R.id.id_rightImage);        textViewRight = (TextView) findViewById(R.id.id_rightText);        frameLayoutRight = (FrameLayout) findViewById(R.id.id_right);        imageViewRight.setVisibility(View.INVISIBLE);        textViewRight.setVisibility(View.INVISIBLE);        imageViewLeft.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                if (mListener != null) {                    mListener.leftViewClick();                }            }        });        frameLayoutRight.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                if (mListener != null) {                    mListener.rightViewClick();                }            }        });        //设置弹出键盘输入完成图标为搜索，点击搜索事件        editTextSearch.setOnEditorActionListener(new TextView.OnEditorActionListener() {            @Override            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {                if (actionId == EditorInfo.IME_ACTION_SEARCH || (event != null && event.getKeyCode() == KeyEvent.KEYCODE_ENTER))                {                    if (mListener != null) {                        mListener.edittextDoSearch();                    }                    return true;                }                return false;            }        });    }    //设置右侧显示的控件，图片或文本,viewId 0 显示图标,viewId 1 显示文本    public void setRightShow(int viewId) {        imageViewRight.setVisibility(View.INVISIBLE);        textViewRight.setVisibility(View.INVISIBLE);        if (viewId == 0) {            imageViewRight.setVisibility(View.VISIBLE);        } else if (viewId == 1) {            textViewRight.setVisibility(View.VISIBLE);        }    }    public void setTitleLayoutListener(titleLayoutClick titleLayoutListener) {        mListener = titleLayoutListener;    }    //设置右边文本内容    public void setTextViewRightTitle(String title) {        textViewRight.setText(title);    }    public interface titleLayoutClick {        public void leftViewClick();//左图片点击        public void rightViewClick();//右边点击        public void edittextDoSearch();//搜索框搜索事件    }}

使用布局

 <xxx.UI.CustomTitles.TitleWithEditText        android:id="@+id/id_titleLayout"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:background="@mipmap/top">    </xxx.UI.CustomTitles.TitleWithEditText>

  titleWithEditText = (TitleWithEditText) findViewById(R.id.id_titleLayout);        titleWithEditText.setRightShow(0);        TitleWithEditText.titleLayoutClick titleLayoutClick = new TitleWithEditText.titleLayoutClick() {            @Override            public void leftViewClick() {                PackageManager pm = getPackageManager();                boolean hasACamera = pm.hasSystemFeature(PackageManager.FEATURE_CAMERA) ||                        pm.hasSystemFeature(PackageManager.FEATURE_CAMERA_FRONT) ||                        Build.VERSION.SDK_INT < Build.VERSION_CODES.GINGERBREAD ||                        Camera.getNumberOfCameras() > 0;                if (!hasACamera) {//不存在照相机                    T.showShort(getApplicationContext(), "没有找到照相设备");                } else {                    //打开扫描界面扫描条形码或二维码                    Intent openCameraIntent = new Intent(MapActivity.this, CaptureActivity.class);                    startActivityForResult(openCameraIntent, 0);                }            }            @Override            public void rightViewClick() {            }            @Override            public void edittextDoSearch() {                T.showShort(MapActivity.this,"进行搜索");            }        };        titleWithEditText.setTitleLayoutListener(titleLayoutClick);

finish

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