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在我看來包 創建的RelativeLayout類和膨脹的XML文件中 類使用到的主要活動 但沒有任何錯誤,模擬器已停止如何在Android的RelativeLayout類中充氣XML佈局?
import android.content.Context;
import android.content.res.AssetManager;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.widget.EditText
import android.widget.RelativeLayout;
import android.widget.TextView;
import net.sibdiet.R;
public class AboutView extends RelativeLayout {
private TextView about_txt;
private AssetManager assets;
public AboutView(Context context) {
super(context);
initializeViews(context);
}
public AboutView(Context context, AttributeSet attrs) {
super(context, attrs);
initializeViews(context);
}
private void initializeViews(Context context) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
inflater.inflate(R.layout.aboutus_layout, this);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
about_txt = (EditText) findViewById(R.id.aboutus_txt);
}
public AssetManager getAssets() {
return assets;
}
}
我需要充氣aboutus_layout.xml
<merge
xmlns:android="http://schemas.android.com/apk/res/android">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/aboutus_txt"
android:layout_width="61dp"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_marginRight="16dp"
android:layout_marginTop="16dp"
android:text="@string/about"
android:textColor="@color/Green"
android:textSize="20sp"/>
</RelativeLayout>
</merge>
在主要活動中使用自定義視圖 main_activity.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#DCDCDC"
tools:context="net.sibdiet.MainActivity">
<net.sibdiet.View.AboutView
android:id="@+id/about_us_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</android.support.constraint.ConstraintLayout>
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