将自定义视图放在自定义ScrollView中

时间:2014-03-10 02:16:17

标签: java android view scrollview

我正在创建一个具有自定义视图和自定义ScrollView的Android应用。我试图将自定义视图放在滚动视图中。它似乎不起作用,因为我只是收到一个空白屏幕。

Dashboard.java

package com.commentblock.fandoms;

import com.commentblock.fandom.R;
import com.commentblock.fandom.R.layout;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.Toast;

public class Dashboard extends Activity {
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        //Set the content view to the dashbaord
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        this.setContentView(new StatusViewScroll(this));

    }
}

StatusViewScroll.java

package com.commentblock.fandoms;

import android.content.Context;
import android.view.View;
import android.widget.RelativeLayout;
import android.widget.ScrollView;

public class StatusViewScroll extends RelativeLayout {
    public StatusViewScroll(Context c) {
        super(c);
        ScrollView scrollView = new ScrollView(c);
        StatusView statusView = new StatusView(c);
        scrollView.addView(statusView);
        addView(scrollView);
    }
}

StatusView.java 在没有ScrollView的情况下工作正常,但当我将其添加到ScrollView时,它就会中断。没有错误,只是一个黑屏。

1 个答案:

答案 0 :(得分:3)

我已经解决了我自己的问题。问题在于StatusView.java,我需要覆盖onMeasure事件。

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    WindowManager wm = (WindowManager) this.getContext().getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    setMeasuredDimension(display.getWidth(), display.getHeight());
}