所以...我正在尝试填充一个 TextView,它根据活动顶部的红色、绿色和蓝色 SeekBars 的进度来扩展活动屏幕的整个下半部分。用户可以移动任何搜索栏,并且扩展活动下半部分的整个宽度和长度的 TextView 将使用正确的 RGB 配色方案填充,以匹配所有 3 个搜索栏的 1-100 移动。
关于如何做到这一点的任何想法?我已经用谷歌搜索了 Android 文档,但找不到我要找的东西。即使是让我知道该怎么做的链接也会很好:)
*我应该提到这里的代码在android VM上运行得很好
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
public class MainActivity extends Activity implements OnSeekBarChangeListener
{
private SeekBar red;
private SeekBar green;
private SeekBar blue;
private TextView progress1;
private TextView progress2;
private TextView progress3;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
red = (SeekBar)findViewById(R.id.seekBar1);
red.setOnSeekBarChangeListener(this);
green = (SeekBar)findViewById(R.id.seekBar2);
green.setOnSeekBarChangeListener(this);
blue = (SeekBar)findViewById(R.id.seekBar3);
blue.setOnSeekBarChangeListener(this);
progress1 = (TextView)findViewById(R.id.textView2);
progress2 = (TextView)findViewById(R.id.textView4);
progress3 = (TextView)findViewById(R.id.textView6);
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
{
switch(seekBar.getId())
{
case R.id.seekBar1:
progress1.setText(""+progress);
break;
case R.id.seekBar2:
progress2.setText(""+progress);
break;
case R.id.seekBar3:
progress3.setText(""+progress);
break;
}
}
@Override
public void onStartTrackingTouch(SeekBar arg0)
{
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar arg0)
{
// TODO Auto-generated method stub
}
}