Android的ImageButton、visibility、ellipsize、scaleType属性

本文详细介绍了在Android应用中解决ImageButton显示文字与图片问题的四种方法,包括直接在图片中加入文字、继承ImageButton并添加TextView、使用Button配合属性设置以及使用布局层级解决。同时,文章还提供了EditText的常用操作技巧,如添加onClick事件、隐藏光标、屏蔽软键盘、关于密码的处理方法,并介绍了TextView中用于控制内容过长的ellipsize属性及android:scaleType属性用于控制图片的缩放方式。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

很多人对 Android提供的ImageButton有个疑问,当显示Drawable图片时就不会再显示文字了,其实解决的方法有三种:

 

第一种:就是图片中就写入文字,但是这样解决会增加程序体积,同时硬编码方式会影响多国语言的发布。

 

第二种:解决方法很简单,通过分析可以看到ImageButton的 layout,我们可以直接直接继承,添加一个TextView,对齐方式为右侧即可实现ImageButton支持文字右侧显示。//TODO 还是不会,难道重写onDraw??

 

第三种:更简洁效率的方法:使用Button ,然后设定Button 的 android:drawableLeft 等属性即可。示例:

<Button
   android:id="@+id/button1"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:drawableLeft="@drawable/icon"
   android:text="按钮"
/>

效果如下:

Android的ImageButton不能显示文字的问题 - 夏天的风 - FreeSimpleHappy

 

第四种:用布局多封一层

<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:id="@+id/bt">
<ImageView
    android:id="@+id/ib"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:src="@drawable/ringlove"
    android:background="#00000000"
/>
<TextView
    android:id="@+id/tv"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/cs"
    android:paddingLeft="20px"
/>
</LinearLayout>



android:visibility

此属性意思是此视图是否显示,例如RelativeLayout中android:visibility="gone"

其有三个属性:visible显示;invisible显示黑背景条;gone不显示

在类中,可以设置其显示与否,setVisibility(View.GONE);不显示

setVisibility(View.VISIBLE);显示


android EditText 那些事

1、EditText的onClick事件
        为EditText添加OnClick事件之后,如果当前未获取焦点,则第一次点击并不会响应,而是获取焦点,第二次点击才会响应onClick。针对不用的情况可能有不同的解决办法,一般都会用到OnFocusChangedListener,或者将二者结合来进行事件处理,来达到预期的效果。

2、隐藏光标、屏蔽软键盘
       设置EditText隐藏光标可能经常与设置其不可编辑一起使用,设置不可编辑只要设置android:editable="false"即可,而设置光标不可见可以设置android:cursorVisible="false"。   如果不行,就在相关java类中 建立下面方法:
  1. private void setEditTextDisable(){  
  2.     et_name.setEnabled(false);  
  3.     et_mobilephone.setEnabled(false);     
  4. }  


       伴随隐藏光标的,可能经常还会有屏蔽软件盘,实现该功能可以通过设置inputtype参数为TYPE_NULL来实现,不过我实验的时候发现在布局文件中设置不起作用,而需要在activity文件中获取到响应的组件,调用setInputType(InputType.TYPE_NULL)方法来实现。

3、关于密码
        EditText有一个属性:android:password,可选值为true/false,该属性可以标记输入框中的字符是否用圆点代替。有一个问题需要注意,设置android:password="true"之后,该EditText是可以输入回车的,如果用户输入了回车字符,会被当做密码的一个字符,所以,如果密码中不允许出现这样的特殊字符,则需要设置singleLine="true".

链接:http://longshuai2007.blog.163.com/blog/static/1420944142011113010336771/

链接:http://blog.youkuaiyun.com/qq272803220/article/details/7369139

 

 

ellipsize属性

 

 

最近为了解决某个bug,textview中内容过长的话自动换行,但是调用measureText函数时发现返回值很不准确,单位也不确定,是pixel还是dip,都不准。后来想起textview中有个内容过长加省略号的属性,即ellipsize,可以较偷懒地解决这个问题,哈哈~

用法如下:

在xml中

android:ellipsize = "end"    省略号在结尾

android:ellipsize = "start"   省略号在开头

android:ellipsize = "middle"     省略号在中间

android:ellipsize = "marquee"  跑马灯

最好加一个约束android:singleline = "true"

当然也可以用代码语句

tv.setEllipsize(TextUtils.TruncateAt.valueOf("END"));

tv.setEllipsize(TextUtils.TruncateAt.valueOf("START"));

tv.setEllipsize(TextUtils.TruncateAt.valueOf("MIDDLE"));

tv.setEllipsize(TextUtils.TruncateAt.valueOf("MARQUEE"));

最好再加一个约束tv.setSingleLine(true);

不仅对于textview有此属性,对于editext也有,不过它不支持marquee

 

android:scaleType属性


android:scaleType是控制图片如何resized/moved来匹对ImageView的size。

ImageView.ScaleType / android:scaleType值的意义区别:

CENTER /center  按图片的原来size居中显示,当图片长/宽超过View的长/宽,则截取图片的居中部分显示

CENTER_CROP / centerCrop  按比例扩大图片的size居中显示,使得图片长(宽)等于或大于View的长(宽)

CENTER_INSIDE / centerInside  将图片的内容完整居中显示,通过按比例缩小或原来的size使得图片长/宽等于或小于View的长/宽

FIT_CENTER / fitCenter  把图片按比例扩大/缩小到View的宽度,居中显示

FIT_END / fitEnd   把图片按比例扩大/缩小到View的宽度,显示在View的下部分位置

FIT_START / fitStart  把图片按比例扩大/缩小到View的宽度,显示在View的上部分位置

FIT_XY / fitXY  把图片不按比例扩大/缩小到View的大小显示

MATRIX / matrix 用矩阵来绘制,动态缩小放大图片来显示。

** 要注意一点,Drawable文件夹里面的图片命名是不能大写的

 

Shuhai.java:package com.jd.projects.wlw.shuhai; import android.app.AlertDialog; import android.content.Intent; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.FrameLayout; import android.widget.GridLayout; import android.widget.ImageView; import android.widget.ListView; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; import com.android.volley.AuthFailureError; import com.android.volley.DefaultRetryPolicy; import com.android.volley.NoConnectionError; import com.android.volley.ParseError; import com.android.volley.Request; import com.android.volley.RequestQueue; import com.android.volley.ServerError; import com.android.volley.TimeoutError; import com.android.volley.VolleyError; import com.android.volley.toolbox.JsonObjectRequest; import com.android.volley.toolbox.Volley; import com.bumptech.glide.Glide; import com.bumptech.glide.load.resource.drawable.GlideDrawable; import com.bumptech.glide.request.RequestListener; import com.bumptech.glide.request.target.Target; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Collections; import java.util.HashSet; import java.util.List; import java.util.Set; import com.jd.projects.wlw.R; public class Shuhai extends AppCompatActivity { private TextView nAme; private ListView dateList; private String currentStationId; private String stationName; // private static final boolean TEST_MODE = false; // private static final String TEST_STATION_ID = "20220811001"; // private static final String TEST_STATION_NAME = "测试监测点"; private GridLayout imageGrid; private ProgressBar progressBar; private RequestQueue requestQueue; private static final String REQUEST_TAG = "ShuhaiRequest"; private String currentDate; private Button btnYear, btnMonth; private int currentYear; private int currentMonth; private Button deviceLocationBtn; private Button spButton; private ZoomImageView1 fullImageView; // 用于全屏显示 private FrameLayout fullscreenContainer; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); try { setContentView(R.layout.shuhai); imageGrid = (GridLayout) findViewById(R.id.image_grid); fullscreenContainer = (FrameLayout) findViewById(R.id.fullscreen_container); fullImageView = (ZoomImageView1) findViewById(R.id.fullscreen_imageview); // Log.d("GkdActivity", "Activity created"); } catch (Exception e) { // Log.e("GkdActivity", "Error setting content view", e); Toast.makeText(this, "加载界面失败", Toast.LENGTH_SHORT).show(); finish(); return; } // 初始化WebView initFullscreenContainer(); // 控件初始化区域 View fanHui = findViewById(R.id.fanHui); fanHui.setOnClickListener(v -> finish()); nAme = (TextView) findViewById(R.id.nAme); dateList = (ListView) findViewById(R.id.date_list); imageGrid = (GridLayout) findViewById(R.id.image_grid); progressBar = (ProgressBar) findViewById(R.id.progressBar); // 新增设备定位按钮初始化 Button deviceLocationBtn = (Button) findViewById(R.id.device_location); deviceLocationBtn.setOnClickListener(v -> { Intent resultIntent = new Intent(); resultIntent.putExtra("action", "show_location"); resultIntent.putExtra("site_id", currentStationId); setResult(RESULT_OK, resultIntent); finish(); }); // Volley请求队列初始化 requestQueue = Volley.newRequestQueue(this); // 年月选择初始化 btnYear = (Button) findViewById(R.id.btn_year); btnMonth = (Button) findViewById(R.id.btn_month); initYearMonthSelection(); // 数据处理 handleIntentData(); // Log.d("GkdActivity", "Station ID: " + currentStationId); // Log.d("GkdActivity", "Station Name: " + stationName); // 名称显示处理 if (stationName != null) { nAme.setText(stationName); } else { nAme.setText("监测点信息"); } // 加载初始数据 loadDatesForCurrentMonth(); spButton = (Button) findViewById(R.id.Sp); spButton.setOnClickListener(v -> { // 创建跳转到ShuhaiSPActivity的Intent Intent intent = new Intent(Shuhai.this, ShuhaiSp.class); // 传递当前监测点信息 if (currentStationId != null) { intent.putExtra("nsiteid", currentStationId); } if (stationName != null) { intent.putExtra("sitealiasname", stationName); } // 添加额外数据(如果需要) intent.putExtra("currentDate", currentDate); intent.putExtra("currentYear", currentYear); intent.putExtra("currentMonth", currentMonth); // 启动新Activity startActivity(intent); }); } private void initFullscreenContainer() { // 设置关闭全屏的按钮事件 findViewById(R.id.close_fullscreen).setOnClickListener(v -> { fullscreenContainer.setVisibility(View.GONE); }); } private void initYearMonthSelection() { Calendar calendar = Calendar.getInstance(); currentYear = calendar.get(Calendar.YEAR); currentMonth = calendar.get(Calendar.MONTH) + 1; // 转换为1-12格式 updateYearMonthButtons(); btnYear.setOnClickListener(v -> showYearPicker()); btnMonth.setOnClickListener(v -> showMonthPicker()); } private void updateYearMonthButtons() { btnYear.setText(String.valueOf(currentYear)); btnMonth.setText(String.format("%02d", currentMonth)); } private void showYearPicker() { final List<Integer> years = new ArrayList<>(); int startYear = currentYear - 9; int endYear = currentYear + 9; for (int i = startYear; i <= endYear; i++) years.add(i); new AlertDialog.Builder(this) .setTitle("选择年份") .setAdapter(new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, years), (dialog, which) -> { currentYear = years.get(which); updateYearMonthButtons(); loadDatesForCurrentMonth(); }) .show(); } private void showMonthPicker() { new AlertDialog.Builder(this) .setTitle("选择月份") .setItems(new String[]{"01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12"}, (dialog, which) -> { currentMonth = which + 1; updateYearMonthButtons(); loadDatesForCurrentMonth(); }) .show(); } private void loadDatesForCurrentMonth() { try { // 使用动态获取的站点ID String deviceCode = URLEncoder.encode(currentStationId, "UTF-8"); Calendar cal = Calendar.getInstance(); cal.set(currentYear, currentMonth - 1, 1, 0, 0, 0); String startTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(cal.getTime()); cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH)); cal.set(Calendar.HOUR_OF_DAY, 23); cal.set(Calendar.MINUTE, 59); cal.set(Calendar.SECOND, 59); String endTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(cal.getTime()); String url = "http://nyzbwlw.com/situation/http/device/mouse/getMouseList" + "?deviceCode=" + deviceCode + "&startTime=" + URLEncoder.encode(startTime, "UTF-8") + "&endTime=" + URLEncoder.encode(endTime, "UTF-8") + "&size=10000"; progressBar.setVisibility(View.VISIBLE); JsonObjectRequest request = new JsonObjectRequest( Request.Method.GET, url, null, this::handleDateResponse, this::handleDateError); request.setRetryPolicy(new DefaultRetryPolicy(15000, 3, 1.5f)); requestQueue.add(request); } catch (Exception e) { progressBar.setVisibility(View.GONE); Toast.makeText(this, "时间参数错误", Toast.LENGTH_SHORT).show(); } } private void handleIntentData() { Intent intent = getIntent(); if (intent != null) { currentStationId = intent.getStringExtra("nsiteid"); stationName = intent.getStringExtra("sitealiasname"); // Log.d("GkdActivity", "Received nsiteid: " + currentStationId); // Log.d("GkdActivity", "Received sitealiasname: " + stationName); if (currentStationId == null || currentStationId.isEmpty()) { Toast.makeText(this, "未获取到监测点ID", Toast.LENGTH_SHORT).show(); setResult(RESULT_CANCELED); supportFinishAfterTransition(); return; } } else { Toast.makeText(this, "未获取到启动参数", Toast.LENGTH_SHORT).show(); finish(); } } private void handleDateResponse(JSONObject response) { progressBar.setVisibility(View.GONE); try { if (!response.has("code") || response.getInt("code") != 100) { handleDataError("服务器响应异常"); return; } JSONObject data = response.optJSONObject("data"); if (data == null || !data.has("list")) { handleDataError("数据结构异常"); return; } Set<String> dateSet = new HashSet<>(); JSONArray list = data.getJSONArray("list"); for (int i = 0; i < list.length(); i++) { String time = list.getJSONObject(i).optString("collectionTime", "") .replace("T", " "); // 处理可能存在的ISO格式时间 if (time.length() >= 10) { dateSet.add(time.substring(0, 10)); } } List<String> dates = new ArrayList<>(dateSet); Collections.sort(dates, Collections.reverseOrder()); dateList.setAdapter(new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, dates)); dateList.setOnItemClickListener((parent, view, position, id) -> { currentDate = dates.get(position); loadImages(); }); if (!dates.isEmpty()) { currentDate = dates.get(0); loadImages(); } } catch (JSONException e) { handleDataError("数据格式错误"); } } private void loadImages() { progressBar.setVisibility(View.VISIBLE); try { String startTime = currentDate + " 00:00:00"; String endTime = currentDate + " 23:59:59"; String url = "http://nyzbwlw.com/situation/http/device/mouse/getMouseList" + "?deviceCode=" + URLEncoder.encode(currentStationId, "UTF-8") + "&startTime=" + URLEncoder.encode(startTime, "UTF-8") + "&endTime=" + URLEncoder.encode(endTime, "UTF-8"); JsonObjectRequest request = new JsonObjectRequest( Request.Method.GET, url, null, this::handleImageResponse, this::handleImageError); request.setRetryPolicy(new DefaultRetryPolicy(15000, 3, 1.5f)); requestQueue.add(request); } catch (UnsupportedEncodingException e) { progressBar.setVisibility(View.GONE); Toast.makeText(this, "时间参数错误", Toast.LENGTH_SHORT).show(); } } private void handleImageResponse(JSONObject response) { progressBar.setVisibility(View.GONE); try { if (response.getInt("code") == 100) { JSONArray list = response.getJSONObject("data").getJSONArray("list"); List<String> imageUrls = new ArrayList<>(); List<String> imageTimes = new ArrayList<>(); for (int i = 0; i < list.length(); i++) { JSONObject item = list.getJSONObject(i); imageUrls.add(item.getString("pictureUrl")); String rawTime = item.optString("collectionTime", ""); imageTimes.add(rawTime.substring(11, 19)); } // 使用新的适配器方式 updateImageGrid(imageUrls, imageTimes); } } catch (JSONException e) { handleDataError("图片数据解析失败"); } } // 替换RecyclerView为动态添加视图 private void updateImageGrid(List<String> imageUrls, List<String> imageTimes) { imageGrid.removeAllViews(); // 清除旧视图 imageGrid.setColumnCount(2); // 2列网格 int spacing = getResources().getDimensionPixelSize(R.dimen.grid_spacing); int availableWidth = getResources().getDisplayMetrics().widthPixels - getResources().getDimensionPixelSize(R.dimen.left_nav_width); // 新计算公式:总可用宽度 - 4个间隔(左右各1 + 中间2) int imageSize = (availableWidth - spacing * 4) / 2; int textHeight = (int) (30 * getResources().getDisplayMetrics().density); for (int i = 0; i < imageUrls.size(); i++) { View itemView = LayoutInflater.from(this).inflate(R.layout.grid_item_image, null); ImageView imageView = (ImageView) itemView.findViewById(R.id.image_view); TextView fileNameText = (TextView) itemView.findViewById(R.id.file_name); String displayTime = imageTimes.get(i) != null ? imageTimes.get(i) : "--:--:--"; fileNameText.setText(displayTime); // 设置图片大小 imageView.getLayoutParams().width = imageSize; imageView.getLayoutParams().height = imageSize; // 使用Glide加载图片并添加错误处理 final String url = imageUrls.get(i); Glide.with(this) .load(url) .override(imageSize, imageSize) .centerCrop() .placeholder(R.drawable.placeholder) .error(R.drawable.error_image) .into(imageView); // 设置点击事件 itemView.setOnClickListener(v -> showFullscreenImage(url)); // 添加视图到网格 // GridLayout.Spec rowSpec = GridLayout.spec(i / 2); // GridLayout.Spec colSpec = GridLayout.spec(i % 2); GridLayout.LayoutParams params = new GridLayout.LayoutParams( GridLayout.spec(i / 2), GridLayout.spec(i % 2) ); params.width = imageSize; params.height = imageSize + textHeight; params.setMargins(spacing, spacing, spacing, spacing); imageGrid.addView(itemView, params); } } private void handleDateError(VolleyError error) { progressBar.setVisibility(View.GONE); handleNetworkError(error, "日期加载失败"); } private void handleImageError(VolleyError error) { progressBar.setVisibility(View.GONE); handleNetworkError(error, "图片加载失败"); } private void handleNetworkError(VolleyError error, String prefix) { String message = prefix + ": "; if (error instanceof TimeoutError) { message += "请求超时(请检查网络)"; } else if (error instanceof NoConnectionError) { message += "网络未连接"; } else if (error instanceof ServerError) { message += "服务器错误(HTTP " + error.networkResponse.statusCode + ")"; } else if (error instanceof AuthFailureError) { message += "认证失败(请检查权限)"; } else if (error instanceof ParseError) { message += "数据解析异常(请检查API格式)"; } else { message += "未知错误"; } Toast.makeText(this, message, Toast.LENGTH_LONG).show(); } private void handleDataError(String message) { Toast.makeText(this, message, Toast.LENGTH_SHORT).show(); } private void showFullscreenImage(String imageUrl) { fullscreenContainer.setVisibility(View.VISIBLE); progressBar.setVisibility(View.VISIBLE); // fullImageView.resetMatrix(); // 使用Glide加载全屏图片 Glide.with(this) .load(imageUrl) .listener(new RequestListener<String, GlideDrawable>() { @Override public boolean onException(Exception e, String model, Target<GlideDrawable> target, boolean isFirstResource) { progressBar.setVisibility(View.GONE); // 显示错误图片 fullImageView.setImageResource(R.drawable.error_image); return true; // 消费异常事件 } @Override public boolean onResourceReady(GlideDrawable resource, String model, Target<GlideDrawable> target, boolean isFromMemoryCache, boolean isFirstResource) { // 延迟执行确保视图已布局 fullImageView.post(() -> { fullImageView.resetMatrix(); progressBar.setVisibility(View.GONE); }); return false; } }) .error(R.drawable.error_image) .into(fullImageView); } public void closeFullscreen(View view) { fullscreenContainer.setVisibility(View.GONE); } @Override protected void onStop() { super.onStop(); if (requestQueue != null) { requestQueue.cancelAll(REQUEST_TAG); } } } shuhai.xml:<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/gradient_background"> <!-- 标题栏 --> <RelativeLayout android:id="@+id/toolbar" android:layout_width="match_parent" android:layout_height="?android:attr/actionBarSize" android:background="#44bd32"> <Button android:id="@+id/fanHui" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:layout_marginStart="8dp" android:layout_marginEnd="8dp" android:background="@android:color/transparent" android:foreground="?android:attr/selectableItemBackground" android:text="返回" android:textColor="@android:color/white" android:textSize="16sp" /> <!-- 修改后的标题文字模块 --> <TextView android:id="@+id/nAme" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_centerInParent="true" android:ellipsize="end" android:gravity="center" android:maxLines="1" android:paddingStart="60dp" android:paddingEnd="60dp" android:text="图片" android:textColor="@android:color/white" android:textSize="19sp" /> <Button android:id="@+id/Sp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:layout_marginStart="365dp" android:layout_marginEnd="8dp" android:background="@android:color/transparent" android:foreground="?android:attr/selectableItemBackground" android:text="视频" android:textColor="@android:color/white" android:textSize="16sp" /> </RelativeLayout> <!-- 底部按钮 --> <LinearLayout android:id="@+id/footer_buttons" android:layout_width="match_parent" android:layout_height="50dp" android:layout_alignParentBottom="true" android:background="@android:color/transparent" android:orientation="horizontal"> <Button android:id="@+id/device_location" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center" android:text="设备定位" android:textSize="19sp" android:background="#44bd32" android:textColor="@android:color/white" /> </LinearLayout> <!-- 左侧导航 --> <LinearLayout android:id="@+id/left_navigation" android:layout_width="120dp" android:layout_height="match_parent" android:layout_below="@id/toolbar" android:layout_above="@id/footer_buttons" android:orientation="vertical" android:background="@android:color/white" android:padding="8dp"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="根据年月查看数据" android:textColor="@android:color/black" android:textSize="16sp" android:gravity="center" android:padding="8dp"/> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:padding="4dp"> <Button android:id="@+id/btn_year" android:layout_width="0dp" android:layout_height="40dp" android:layout_weight="1" android:background="@drawable/button_border" android:textSize="16sp" android:layout_marginEnd="4dp"/> <Button android:id="@+id/btn_month" android:layout_width="0dp" android:layout_height="40dp" android:layout_weight="1" android:background="@drawable/button_border" android:textSize="16sp" android:layout_marginStart="4dp"/> </LinearLayout> <ProgressBar android:id="@+id/progressBar" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:visibility="gone" /> <ListView android:id="@+id/date_list" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1" android:divider="#BDBDBD" android:dividerHeight="1dp"/> </LinearLayout> <!-- 图片网格容器(添加滚动支持) --> <ScrollView android:layout_width="match_parent" android:layout_height="match_parent" android:layout_above="@id/footer_buttons" android:layout_below="@id/toolbar" android:layout_toEndOf="@id/left_navigation" android:background="@android:color/white" android:fillViewport="true" android:padding="0dp"> <GridLayout android:id="@+id/image_grid" android:layout_width="match_parent" android:layout_height="wrap_content" android:columnCount="2" android:padding="0dp" /> </ScrollView> <!-- 全屏容器(使用ImageView替代WebView) --> <FrameLayout android:id="@+id/fullscreen_container" android:layout_width="match_parent" android:layout_height="match_parent" android:visibility="gone" android:background="@android:color/black"> <com.jd.projects.wlw.shuhai.ZoomImageView1 android:id="@+id/fullscreen_imageview" android:layout_width="match_parent" android:layout_height="match_parent" android:scaleType="matrix"/> <ImageButton android:id="@+id/close_fullscreen" android:layout_width="60dp" android:layout_height="60dp" android:layout_gravity="top|end" android:layout_margin="16dp" android:src="@drawable/ic_close_white" android:background="@drawable/round_button_bg" android:onClick="closeFullscreen"/> </FrameLayout> </RelativeLayout> 解决shuhai.xml中布局文件中android:id="@+id/Sp"视频按钮没有显示在手机实时画面中
06-27
<?xml version="1.0" encoding="utf-8"?> <layout xmlns:app="http://schemas.android.com/apk/res-auto"> <data> <variable name="viewModel" type="com.tplink.tpmifi.viewmodel.SmsBoxViewModel" /> </data> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="top" android:addStatesFromChildren="true" android:background="@drawable/toolbar_background" android:minHeight="@dimen/titlebar_height"> <LinearLayout android:id="@+id/title_left" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentStart="true" android:layout_centerVertical="true" android:layout_marginStart="@dimen/titlebar_left_margin_start" android:background="@drawable/btn_bg" android:clickable="true" android:focusable="true" android:gravity="center" android:minWidth="@dimen/titlebar_height" android:minHeight="@dimen/titlebar_height" android:orientation="horizontal" android:visibility="visible" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent"> <ImageView android:id="@+id/title_left_icon" android:layout_width="@dimen/titlebar_action_image_size" android:layout_height="@dimen/titlebar_action_image_size" android:scaleType="centerInside" android:src="@drawable/arrow_back_white" android:visibility="visible" /> </LinearLayout> <com.tplink.design.text.TPTextView android:id="@+id/title_name" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:layout_marginStart="@dimen/titlebar_title_name_margin_start" android:layout_toEndOf="@+id/title_left" android:layout_weight="1" android:fontFamily="sans-serif-medium" android:lines="1" android:textAlignment="gravity" android:textColor="@android:color/white" android:textSize="@dimen/tpds_all_text_size_18" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintHorizontal_bias="0" app:layout_constraintStart_toEndOf="@id/title_left" app:layout_constraintTop_toTopOf="parent" tools:text="Outbox" /> <com.tplink.design.text.TPTextView android:id="@+id/title_right_text1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:layout_marginEnd="20dp" android:layout_toStartOf="@+id/title_right_text2" android:background="@drawable/btn_bg" android:gravity="center" android:lines="1" android:padding="@dimen/tpds_all_dp_16" android:text="@{viewModel.isAllItemSelected ? @string/common_deselect_all :@string/common_select_all }" android:textAlignment="gravity" android:textColor="@color/white" android:textSize="@dimen/tpds_all_text_size_16" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toStartOf="@id/title_right_text2" app:layout_constraintHorizontal_bias="1" app:layout_constraintStart_toEndOf="@id/title_name" app:layout_constraintTop_toTopOf="parent" app:visibleOrGone="@{viewModel.editing}" tools:visibility="visible" /> <com.tplink.design.text.TPTextView android:id="@+id/title_right_text2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentEnd="true" android:layout_centerVertical="true" android:layout_marginEnd="16dp" android:background="@drawable/btn_bg" android:clickable="@{viewModel.totalMsgNum != 0 }" android:gravity="center" android:lines="1" android:padding="@dimen/tpds_all_dp_16" android:text="@{viewModel.editing ? @string/common_cancel : @string/common_edit }" android:textAlignment="gravity" android:textColor="@{viewModel.totalMsgNum != 0 ? @color/white : @color/title_bar_text_non_clickable }" android:textSize="@dimen/tpds_all_text_size_16" android:visibility="visible" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintHorizontal_bias="1" app:layout_constraintStart_toEndOf="@id/title_right_text1" app:layout_constraintTop_toTopOf="parent" tools:text="@string/common_edit" /> </androidx.constraintlayout.widget.ConstraintLayout> </layout>
最新发布
07-11
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值