Android 标题栏progressBar实例
Android 标题栏progressBar实例
如何改变Android程序的标题栏呢?
在程序的界面Activity的onCreate()函数中,setContentView(R.id.main)之前设定你的标题的样式。其中
requestWindowFeature(Window.FEATURE_CUSTOM_TITLE)就是用户可以自己设定一个样式的标题栏。当 然requestWindowFeature()里面还有其他的样式可以设置,自己可以看下android源码里面Window类里面的参数。
接下来自己到res/layout下面创建一个layout。
java代码:
- <?xml version="1.0" encoding="utf-8"?>
- <RelativeLayout
- xmlns:android="http://schemas.android.com/apk/res/android"
- android:id="@+id/screen"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:orientation="vertical">
- <TextView
- android:id="@+id/left_text"
- android:gravity="center_vertical"
- style="?android:attr/windowTitleStyle"
- mce_style="?android:attr/windowTitleStyle"
- android:layout_width="wrap_content"
- android:layout_height="fill_parent"
- android:paddingLeft="5dip"
- android:layout_alignParentLeft="true" />
- <TextView
- android:id="@+id/right_text"
- android:gravity="center_vertical"
- style="?android:attr/windowTitleStyle"
- mce_style="?android:attr/windowTitleStyle"
- android:layout_width="wrap_content"
- android:layout_height="fill_parent" android:paddingRight="5dip"
- android:layout_alignParentRight="true"
- android:visibility="gone" />
- <LinearLayout
- android:id="@+id/loading_indicator"
- android:orientation="horizontal"
- android:gravity="center_vertical"
- android:paddingTop="2dip"
- android:layout_alignParentRight="true"
- android:layout_height="wrap_content"
- android:layout_width="wrap_content">
- <TextView
- android:id="@+id/loading_text"
- android:gravity="center_vertical"
- style="?android:attr/windowTitleStyle"
- mce_style="?android:attr/windowTitleStyle"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:paddingRight="5dip"
- android:layout_alignParentRight="true" />
- <ProgressBar
- android:id="@android:id/progress"
- style="?android:attr/progressBarStyleSmallTit
le"
- mce_style="?android:attr/progressBarStyleSmallTit
le"
- android:gravity="center_vertical"
- android:paddingRight="5dip"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content" />
- </LinearLayout>
- </RelativeLayout>
- mce_style="?android:attr/progressBarStyleSmallTit
java代码:
- class MyWebViewClient extends WebViewClient {
- @Override
- public void onPageStarted(WebView view, String url, Bitmap favicon) {
- findViewById(R.id.loading_indicator).setVisibility(View.VISIBLE);
- super.onPageStarted(view, url, favicon);
- }
- @Override
- public void onPageFinished(WebView view, String url) {
- findViewById(R.id.loading_indicator).setVisibility(View.INVISIBLE);
- super.onPageFinished(view, url);
- }
- }
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