关于TextView显示错位的问题,快崩溃了，请求帮助！

Question

TextView 如下定义：
  
  <TextView
        android:id="@+id/call_textView_winnum"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="400dp"
        android:gravity="top"
        android:text="@string/call_winnum"
        android:textColor="#000000"
        android:textSize="38sp"
        android:textStyle="bold"
        android:typeface="normal" />
如上，已经Top了，但是在真机上面看，文字并没有顶头，而是空了一点距离，怎么都不能让文字Top显示，请求指教...

Answer 1

打个比方：我要现实的效果如下:（文字上面的横线表示屏幕边缘）
_______
 文字
但是实际显示的却是:（总是不能顶头显示，郁闷）
________  文字
补充：我隐藏了titlebar全屏显示

Answer 2

<RelativeLayout 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:background="@layout/shape_background" >    <ImageView
        android:id="@+id/call_imageView_winnum"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:contentDescription="@string/image_cd"
        android:src="@drawable/bg_winnum" />    <TextView
        android:id="@+id/call_textView_winnum"      // 就是这个，不能顶头top显示
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="400dp"
        android:gravity="top"
        android:text="@string/call_winnum"
        android:textColor="#000000"
        android:textSize="38sp"
        android:textStyle="bold"
        android:typeface="normal" />    <ImageView
        android:id="@+id/call_imageView_waitnum"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:contentDescription="@string/image_cd"
        android:src="@drawable/bg_waitnum" />    <TextView
        android:id="@+id/call_textView_waitnum"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:gravity="center"
        android:height="94dp"
        android:text="@string/call_waitnum"
        android:textColor="#000000"
        android:textSize="60sp"
        android:textStyle="bold"
        android:typeface="normal"
        android:width="150dp" />    <TextView
        android:id="@+id/call_textView_callnumlab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/call_imageView_winnum"
        android:layout_marginLeft="53dp"
        android:layout_marginTop="53dp"
        android:text="@string/call_callnumlab"
        android:textColor="#FFFF00"
        android:textSize="43sp"
        android:typeface="normal" />    <TextView
        android:id="@+id/call_textView_callnum"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/call_textView_callnumlab"
        android:layout_centerVertical="true"
        android:text="@string/call_callnum"
        android:textColor="#F0F000"
        android:textSize="240dp" />    <ImageButton
        android:id="@+id/call_button_callback"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:background="#00FFFFFF"
        android:contentDescription="@string/image_cd"
        android:src="@layout/button_callback" />    <ImageButton
        android:id="@+id/call_button_callset"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true"
        android:background="#00FFFFFF"
        android:contentDescription="@string/image_cd"
        android:src="@layout/button_callset" />    <ImageButton
        android:id="@+id/call_button_callnum"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true"
        android:layout_marginRight="267dp"
        android:layout_marginTop="153dp"
        android:background="#00FFFFFF"
        android:contentDescription="@string/image_cd"
        android:src="@layout/button_callnum" />    <ImageButton
        android:id="@+id/call_button_callagain"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/call_button_callnum"
        android:layout_below="@+id/call_button_callnum"
        android:layout_marginTop="67dp"
        android:background="#00FFFFFF"
        android:contentDescription="@string/image_cd"
        android:src="@layout/button_callagain" />    <ImageButton
        android:id="@+id/call_button_callnoone"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_alignTop="@+id/call_button_callnum"
        android:layout_marginRight="67dp"
        android:background="#00FFFFFF"
        android:contentDescription="@string/image_cd"
        android:src="@layout/button_callnoone" />    <ImageButton
        android:id="@+id/call_button_callcmpe"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/call_button_callnoone"
        android:layout_alignTop="@+id/call_button_callagain"
        android:background="#00FFFFFF"
        android:contentDescription="@string/image_cd"
        android:src="@layout/button_callcmpe" /></RelativeLayout>
完整文件如上，需要顶头显示的是“android:id="@+id/call_textView_winnum"”

Answer 3

下面是 manifest
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="pdxt.callpad"
    android:versionCode="1"
    android:versionName="1.0" >    <!-- 加入联网权限 -->
    <uses-permission android:name="android.permission.INTERNET" />    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="15" />    <application
        android:name="CallPad"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >        <!-- 每个activity只横屏显示：添加android:screenOrientation="landscape" -->        <activity
            android:name=".LoginActivity"
            android:label="@string/title_activity_login"
            android:screenOrientation="landscape" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        
        <activity
            android:name=".SettingActivity"
            android:label="@string/title_activity_setting"
            android:theme="@android:style/Theme.Dialog"
            android:exported="false" >
            <intent-filter>
                <action android:name="login.setting.dialog" />                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity>
        
        <activity
            android:name=".CallActivity"
            android:label="@string/title_activity_call"
            android:screenOrientation="landscape"
            android:exported="false" >
            <intent-filter>
                <action android:name="call.activity" />                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity>
    </application>
    
    <!-- 设置屏幕多密度支持 -->
    <supports-screens
        android:smallScreens="true"
        android:normalScreens="true"
        android:largeScreens="true"
        android:xlargeScreens="true"
        android:anyDensity="true" /></manifest>

Answer 4

你是想靠屏幕的最上方还是Activity的最上方？你的TextView不会是靠着Activity的Title了吧？

Answer 5

RelativeLayout加上android:gravity="top"和android:layout_gravity="top"属性
<RelativeLayout 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:gravity="top"
   android:layout_gravity="top"
   android:background="@layout/shape_background" >

Answer 6

谢谢楼上两位的帮助to(liangzuoting): 已经设置了全屏显示，Title也隐藏了，而且我感觉是textview的问题，我上面的一个图片，两个按钮，都是top显示，都很正常，就是textview显示文字没有顶头，我怀疑textview已经top了，是text的显示问题to(AMinfo):android:gravity="top"和android:layout_gravity="top"测试过了，没有效果……
补充，俺全屏代码如下：<resources>    <!-- 隐藏标题栏并全屏显示，此方法在4.0以上无法隐藏系统栏 -->
    <style name="AppTheme" parent="android:Theme.NoTitleBar.Fullscreen" /></resources>

Answer 7

<TextView
   android:id="@+id/call_textView_winnum"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_alignParentLeft="true"
   android:layout_alignParentTop="true"
   android:layout_marginLeft="400dp"
   android:gravity="top"
   android:layout_gravity="top"
   android:text="@string/call_winnum"
   android:textColor="#000000"
   android:textSize="38sp"
   android:textStyle="bold"
   android:typeface="normal" />

Answer 8

to(AMinfo): 感谢你的关注，RelativeLayout和TextView 全部加上了                    android:gravity="top"
                    android:layout_gravity="top"依然没有顶头显示，总要空着一点，太奇怪了

Answer 9

android:background="@layout/shape_background" 
这个里面是不是设置了边距

Answer 10

补充一下：固定横屏显示，用于平板的，分辨率800x480，dpi：160和120，模拟器和真机测试，都是这样，xml的可视化编辑界面倒是正常的

Answer 11

to(zyxel60b)：没有设置，只是一个简单的颜色渐变显示，shape的全部代码如下：<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient
        android:startColor="#0096ff"
        android:endColor="#00326e"
        android:angle="270" />
</shape>

Answer 12

明白你的意思了，你在TextView里面加上android:layout_marginTop="-10px"来调整位置。

Answer 13

多谢 AMinfo 的帮助，如你所说，设置成负值就可以了，总感觉这个有点不对劲，以后再慢慢研究……再次多谢！