我正在使用以下代码动态创建 FrameLayout
mylayout.java
FrameLayout layout = new FrameLayout(this);
FrameLayout.LayoutParams layoutparams=new FrameLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,ViewGroup.LayoutParams.FILL_PARENT,Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL);
layout.setLayoutParams(layoutparams);
webview=new WebView(this);
webview.setLayoutParams(new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.MATCH_PARENT));
splashview=new ImageView(this);
splashview.setLayoutParams(new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.MATCH_PARENT));
splashview.setScaleType(ScaleType.FIT_XY);
splashview.setImageResource(R.drawable.splash);
splashview.setVisibility(View.INVISIBLE);
progressbar=new ProgressBar(this);
FrameLayout.LayoutParams params=new FrameLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.MATCH_PARENT,Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL);
progressbar.setLayoutParams(params);
progressbar.setVisibility(View.INVISIBLE);
layout.addView(webview);
layout.addView(progressbar);
layout.addView(splashview);
setContentView(layout);
我的布局.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_gravity="center_vertical|center_horizontal"
android:gravity="center_vertical|center_horizontal" >
<WebView
android:id="@+id/webview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</WebView>
<ProgressBar
android:id="@+id/progressBar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:visibility="invisible" />
<ImageView
android:id="@+id/splashscreen"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:contentDescription="@string/myimg"
android:scaleType="fitXY"
android:src="@drawable/splash"
android:visibility="invisible" />
</FrameLayout>
我需要equalent code for the above xml file in java
. 我犯了什么错误?
注意:使用上面的java代码,每一个都是重叠的。