活动自动滚动到中间 [英] Activity automatically scrolls to the middle
本文介绍了活动自动滚动到中间的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
当我打开一个活动时，它会自动滚动到中间.当我打开与活动具有相同布局XML文件的片段时，它不会滚动就可以正常打开. 我试过了
When i open an activity it automatically scrolls to the middle..When i open the fragment which has same layout xml file that the activity has it opens fine without scrolling.. I tried putting
View view=getWindow().getDecorView().findViewById(android.R.id.content);
view.scrollTo(0,0);
但是它不起作用.. 为什么我的活动会自动滚动到中间，我该如何调整它以使其在不滚动的情况下打开?
but it doesn't worked.. Why my activity automatically scrolls to middle and how can i adjust it so that it opens without scrolling?
public class TeamDetails extends FragmentActivity {
ImageView iv1, iv2, iv3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.team_details);
getActionBar().hide();
View view=getWindow().getDecorView().findViewById(android.R.id.content);
view.scrollTo(0,0);
view.setVerticalScrollBarEnabled(false);
Configuration config = getResources().getConfiguration();
android.support.v4.app.Fragment fragment = null;
FragmentManager fragmentManager = getFragmentManager();
final FragmentTransaction fragmentTransaction =
fragmentManager.beginTransaction();
String[] web = {
" dfg",
" fs",
" sfdf",
" fsdf",
" sdfdsf",
" sdf",
" ewr",
" urt",
" wrw",
" zgv",
} ;
int[] mThumbIds = {
R.drawable.ply1, R.drawable.ply2,
R.drawable.ply3, R.drawable.ply4,
R.drawable.ply5, R.drawable.ply6,
R.drawable.ply7, R.drawable.ply8,
R.drawable.ply9, R.drawable.ply10
};
CustomGridSingle adapter = new CustomGridSingle(TeamDetails.this, web, mThumbIds);
GridView grid = (GridView) findViewById(R.id.gridView);
grid.setAdapter(adapter);
iv1 = (ImageView)findViewById(R.id.imageView13);
iv1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
iv2 = (ImageView) findViewById(R.id.imageView14);
iv2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
TeamDetails2 fragment = new TeamDetails2();
getSupportFragmentManager().beginTransaction()
.add(android.R.id.content, fragment).commit();
}
});
iv3 = (ImageView) findViewById(R.id.imageView15);
iv3.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
TeamDetails4 fragment = new TeamDetails4();
getSupportFragmentManager().beginTransaction()
.add(android.R.id.content, fragment).commit();
}
});
}
public class ImageAdapter extends BaseAdapter {
private Context mContext;
private Integer[] mThumbIds = {
R.drawable.ply1, R.drawable.ply2,
R.drawable.ply3, R.drawable.ply4,
R.drawable.ply5, R.drawable.ply6,
R.drawable.ply7, R.drawable.ply8,
R.drawable.ply9, R.drawable.ply10
};
public ImageAdapter(Context c) {
mContext = c;
}
public int getCount() {
return mThumbIds.length;
}
public Object getItem(int position) {
return mThumbIds[position];
}
public long getItemId(int position) {
return 0;
}
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView;
if (convertView == null) {
imageView = new ImageView(mContext);
imageView.setLayoutParams(new GridView.LayoutParams(85, 85));
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setPadding(8, 8, 8, 8);
} else {
imageView = (ImageView) convertView;
}
imageView.setImageResource(mThumbIds[position]);
return imageView;
}
}
}
布局
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/layout20"
android:layout_width="match_parent"
android:layout_height="fill_parent"
>
<RelativeLayout
android:id="@+id/layout40"
android:layout_width="match_parent"
android:layout_height="?android:attr/actionBarSize"
android:background="#12abee"
android:layout_alignParentTop="true">
<ImageView
android:id="@+id/imageView13"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:padding="10dp"
android:src="@drawable/close1"
/>
<ImageView
android:id="@+id/imageView14"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="@+id/textView23"
android:padding="10dp"
android:layout_centerVertical="true"
android:src="@drawable/arrowleftside"
/>
<textview
android:id="@+id/textView23"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="@+id/imageView15"
android:text=" | "
android:textAppearance="?android:attr/textAppearanceSmall"
android:layout_centerVertical="true"
android:textColor="#ffffff"
android:textSize="30dp"/>
<ImageView
android:id="@+id/imageView15"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:padding="10dp"
android:src="@drawable/arrow_rgtside"
/>
</RelativeLayout>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:layout_below="@id/layout40"
android:background="#ffffff"
android:scrollbars="none"
>
<RelativeLayout
android:id="@+id/layout12"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<RelativeLayout
android:id="@+id/layout13"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<RelativeLayout
android:id="@+id/layout14"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<RelativeLayout
android:id="@+id/layout15"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<RelativeLayout
android:id="@+id/layout16"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<RelativeLayout
android:id="@+id/layout17"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<RelativeLayout
android:id="@+id/layout18"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<RelativeLayout
android:id="@+id/layout19"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<textview
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/layout20"
android:layout_centerHorizontal="true"
android:paddingTop="15dp"
android:text="Hyderabad Hotshots"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#000000"
android:textSize="23dp"
/>
<ImageView
android:id="@+id/imageView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="@+id/textView1"
android:layout_toStartOf="@+id/textView1"
android:paddingTop="10dp"
android:src="@drawable/hyd_team2"
android:adjustViewBounds="true" android:cropToPadding="false" android:scaleType="fitXY"/>
</RelativeLayout>
<textview
android:id="@+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="false"
android:layout_below="@+id/layout19"
android:layout_centerHorizontal="true"
android:padding="10dp"
android:text="@string/hello"
android:textColor="#000000"
/>
</RelativeLayout>
<textview
android:id="@+id/textView11"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/layout18"
android:layout_centerHorizontal="true"
android:text="TEAM PLAYERS"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#000000" />
</RelativeLayout>
<View
android:layout_width="fill_parent"
android:layout_height="1dp"
android:layout_below="@+id/layout17"
android:background="@android:color/darker_gray" />
</RelativeLayout>
<GridView
android:id="@+id/gridView"
android:layout_width="wrap_content"
android:layout_height="600dp"
android:layout_below="@+id/layout16"
android:layout_margin="5dp"
android:columnWidth="600dp"
android:drawSelectorOnTop="true"
android:gravity="center"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:numColumns="3"
android:stretchMode="columnWidth"
android:verticalSpacing="5dp"></GridView>
</RelativeLayout>
<textview
android:id="@+id/textView12"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/layout15"
android:layout_centerHorizontal="true"
android:text="CAMPAIGN SCHEDULE"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#000000" />
</RelativeLayout>
<View
android:layout_width="fill_parent"
android:layout_height="1dp"
android:layout_below="@+id/layout14"
android:background="@android:color/darker_gray" />
</RelativeLayout>
<textview
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="false"
android:layout_alignParentLeft="true"
android:layout_below="@+id/layout13"
android:layout_centerHorizontal="true"
android:padding="10dp"
android:text="@string/hello3"
android:textColor="#000000"
/>
</RelativeLayout>
</ScrollView>
</RelativeLayout>
推荐答案
在onCreate method
RelativeLayout v = (RelativeLayout) findViewById(R.id.layout20);
v.requestFocus();
更新:
并通过以下方法将其从GridView中删除:
and remove it from GridView by:
mGridView.setFocusable(false);
这篇关于活动自动滚动到中间的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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