如何在android中动态设置自定义标题栏TextView值？
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how to set custom title bar TextView Value dynamically in android?
提问by UMAR
friends,
朋友们，
i have created custom title bar using following titlebar.xml file with code
我使用以下带有代码的 titlebar.xml 文件创建了自定义标题栏
<?xml version="1.0" encoding="utf-8"?>
<TextView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/myTitle"
android:text="This is my new title"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:textColor="@color/titletextcolor"
android:layout_marginLeft="25px"
android:paddingTop="3px"
/>
and java code to display custom title bar on each activity.
和 java 代码以在每个活动上显示自定义标题栏。
@Override
public void onCreate(Bundle savedInstanceState)
{
requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.mytitle);
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
now i want to set textview value dynamically in each activity can any one guide me how can i achieve this?
现在我想在每个活动中动态设置 textview 值，任何人都可以指导我如何实现这一目标？
using findviewbyid here i dont get reference of that textview to set value because main layout does not contains any textbox with such a name but mytitle.
在这里使用 findviewbyid 我没有得到该 textview 的参考来设置值，因为主布局不包含任何具有这样名称的文本框，但 mytitle。
any help would be appriciated.
任何帮助将被appriciated。
采纳答案by Diego Torres Milano
This is the way to set the custom title:
这是设置自定义标题的方法：
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final boolean customTitleSupported = requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
setContentView(R.layout.main);
if ( customTitleSupported ) {
getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.mytitle);
}
final TextView myTitleText = (TextView) findViewById(R.id.myTitle);
if ( myTitleText != null ) {
myTitleText.setText("========= NEW TITLE ==========");
myTitleText.setBackgroundColor(Color.GREEN);
}
}
回答by cavneb
SDK 2.1+
SDK 2.1+
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setTitle("========= NEW TITLE ==========");
}
回答by Dimitar Dimitrov
Have you tried the setTitle()method of your Activity?
你试过你的setTitle()方法Activity吗？
回答by pengwang
my_title.xml
my_title.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout android:id="@+id/header"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="wrap_content" android:layout_width="fill_parent"
android:background="#d4e9a9">
<ImageView android:src="@drawable/jetpack"
android:layout_width="wrap_content" android:layout_alignParentLeft="true"
android:layout_centerVertical="true" android:id="@+id/back"
android:layout_height="wrap_content" android:layout_alignParentTop="true" />
<TextView android:id="@+id/title" android:layout_width="wrap_content"
android:gravity="center_vertical" android:textSize="20px"
android:textColor="#ffffff" android:layout_alignParentRight="true"
android:text="New Title" android:background="#a5c639"
android:layout_height="wrap_content" android:layout_alignParentTop="true"
android:padding="9dip" android:layout_margin="5dip" />
</RelativeLayout>
Code:
代码：
requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
setContentView(R.layout.main);
getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.my_title);
((TextView)findViewById(R.id.title)).setText("gradient shadow");
findViewById(R.id.back).setOnClickListener(new OnClickListener() {
public void onClick(View v) {
((TextView)findViewById(R.id.title)).setText("loce");
}
});
Because custom title default is fixed you should write yourself a theme:
因为自定义标题默认是固定的，所以你应该自己写一个主题：
<application android:icon="@drawable/icon" android:label="@string/app_name" android:theme="@style/MyTheme">
回答by ccheneson
Try the following:
请尝试以下操作：
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
setContentView(R.layout.main);
getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.mytitle);
TextView mytitletext = (TextView) findViewById(R.id.myTitle);
mytitletext.setText("========= NEW TITLE ==========");
}
You can use the hierarchyviewerto see if your view is accessible (you will see its id in the hierarchy graph)
您可以使用hierarchyviewer来查看您的视图是否可访问（您将在层次结构图中看到它的 id）
