我有一个我认为是活动的简单LinearLayout:
<LinearLayout 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"
tools:context="com.example.mille.shithead.firstPlay"
android:orientation="vertical">
<TextView
android:id="@+id/fp_TextView_mainText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAlignment="center"
android:textStyle="bold"
android:fontFamily="cursive"
android:textSize="30sp"
android:visibility="invisible"/>
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1">
<LinearLayout
android:id="@+id/fp_SV_placeHolder"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_weight="1">
</LinearLayout>
</ScrollView>
<Button
android:id="@+id/fp_nextButton"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal|center_vertical"
android:layout_weight="1"
android:textAlignment="center"
android:visibility="visible"
android:text="Let's Play!"/>
在fp_SV_placeholder内部,根据我当前游戏实例中有多少玩家,根据我的需要,为我提供了多个以下布局的副本:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:layout_gravity="center_horizontal|center_vertical">
<TextView
android:id="@+id/fp_TV_player"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAlignment="center"
android:textStyle="bold"
android:fontFamily="cursive"
android:textSize="15sp"
/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_gravity="center_horizontal|center_vertical">
<ImageView
android:id="@+id/fp_IV_tableUp1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:adjustViewBounds="true"
android:gravity="center_horizontal|center_vertical"
android:padding="4dp"
android:scaleType="centerInside"
android:src="@drawable/i_back" />
<ImageView
android:id="@+id/fp_IV_tableUp2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:adjustViewBounds="true"
android:gravity="center_horizontal|center_vertical"
android:padding="4dp"
android:scaleType="centerInside"
android:src="@drawable/i_back" />
<ImageView
android:id="@+id/fp_IV_tableUp3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:adjustViewBounds="true"
android:gravity="center_horizontal|center_vertical"
android:padding="4dp"
android:scaleType="centerInside"
android:src="@drawable/i_back" />
</LinearLayout>
这与我编写的代码一样正常工作,正确的显示与正常的卡片图像一起出现。但是,如果我的游戏中有两个以上的玩家,那么移动到下一个活动的按钮就会奇怪地丢失:
以下是我为各种玩家的牌充气并为按钮设置OnClickListener的代码:
String display = "Looks like " + players.get(firstPlayerIndex).getName() + " goes first!";
if (!firstPlayer.isComputer()) {
display = "Looks like You go first!";
}
textViews.get(0).setText(display);
ViewGroup vg = (ViewGroup) findViewById(R.id.fp_SV_placeHolder);
for (int i = 0; i < game.getPlayers().size(); i ++) {
//Inflate Player display and find TV and IV's
View v = getLayoutInflater().inflate(R.layout.fp_player_top_3, vg, false);
TextView textView = (TextView) v.findViewById(R.id.fp_TV_player);
ImageView iv_Card1 = (ImageView) v.findViewById(R.id.fp_IV_tableUp1);
ImageView iv_Card2 = (ImageView) v.findViewById(R.id.fp_IV_tableUp2);
ImageView iv_Card3 = (ImageView) v.findViewById(R.id.fp_IV_tableUp3);
//Set TextView display
String textViewDisplay = "Your Top 3 Cards";
if(players.get(i).isComputer()) {
textViewDisplay = players.get(i).getName();
}
textView.setText(textViewDisplay);
//set ImageView Displays
int resID1 = getResources().getIdentifier(players.get(i).getTableUp().get(0).getImageIDString(),"drawable",getPackageName());
iv_Card1.setImageResource(resID1);
int resID2 = getResources().getIdentifier(players.get(i).getTableUp().get(1).getImageIDString(),"drawable",getPackageName());
iv_Card2.setImageResource(resID2);
int resID3 = getResources().getIdentifier(players.get(i).getTableUp().get(2).getImageIDString(),"drawable",getPackageName());
iv_Card3.setImageResource(resID3);
if(i == firstPlayerIndex) {
v.setBackgroundColor(Color.BLUE);
}
//attach to the root
vg.addView(v);
}
nextButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Class nextClass = playerTurn.class;
if (firstPlayer.isComputer()) {
nextClass = computerTurn.class;
}
Intent intent = new Intent(getApplicationContext(),nextClass);
startActivity(intent);
}
});
按钮按预期工作,只要它是可见的,但无论游戏中有多少玩家,它都需要可见。有什么建议?我尝试只是在scrollView中移动按钮,并且在尝试加载页面时应用程序崩溃了。
答案 0 :(得分:1)
不要给予scrollview重量。它与scrollview不兼容。 ScrollView忽略重量并根据其中的内容高度获取高度。 因此,要解决此问题,您需要将scrollview保持在线性布局中,并为线性布局而不是scrollview
赋予权重`<LinearLayout
android:id="@+id/fp_SV_placeHolder"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical">
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:id="@+id/fp_SV_placeHolder"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical" />
</ScrollView>
</LinearLayout>`