Android Seekbar进度级别达到0和最大值之间的限制
您好,我有一个搜索栏,android中的最大进度值为100。我希望seekbar只能在0-100之间上升到值50。它不允许进程超过值50。我的逻辑是,我不想改变seekbar进程的最大值 请帮助我如何在android中的seekbar中执行此操作。提前谢谢Android Seekbar进度级别达到0和最大值之间的限制,android,seekbar,Android,Seekbar,您好,我有一个搜索栏,android中的最大进度值为100。我希望seekbar只能在0-100之间上升到值50。它不允许进程超过值50。我的逻辑是,我不想改变seekbar进程的最大值 请帮助我如何在android中的seekbar中执行此操作。提前谢谢 @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sb1=(SeekBar) findViewById(R.id.seekBar1);
sb2=(SeekBar) findViewById(R.id.seekBar2);
sb3=(SeekBar) findViewById(R.id.seekBar3);
tv1=(TextView) findViewById(R.id.textView1);
tv2=(TextView) findViewById(R.id.textView2);
tv3=(TextView) findViewById(R.id.textView3);
tvremaining=(TextView) findViewById(R.id.textView4);
tvused=(TextView) findViewById(R.id.textView5);
sb1.setOnSeekBarChangeListener(this);
sb2.setOnSeekBarChangeListener(this);
sb3.setOnSeekBarChangeListener(this);
total=100;
used=0;
remaining=total-used;
tvremaining.setText(Integer.toString(remaining));
tvused.setText(Integer.toString(used));
}
@Override
public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2)
{
switch (arg0.getId())
{
case R.id.seekBar1:
if(arg2)
{
tv1.setText(Integer.toString(arg1));
//arg0.setProgressDrawable(getResources().getDrawable(R.drawable.progress_normal));
}
break;
case R.id.seekBar2:
if(arg2)
{
tv2.setText(Integer.toString(arg1));
//arg0.setProgressDrawable(getResources().getDrawable(R.drawable.progress_normal));
}
break;
case R.id.seekBar3:
if(arg2)
{
tv3.setText(Integer.toString(arg1));
//arg0.setProgressDrawable(getResources().getDrawable(R.drawable.progress_normal));
}
break;
}
progress=arg1;
}
@Override
public void onStartTrackingTouch(SeekBar arg0)
{
//arg0.setMax(remaining);
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar arg0)
{
switch (arg0.getId())
{
case R.id.seekBar1:
//sb2.setProgressDrawable(getResources().getDrawable(R.drawable.progress_applied));
//sb3.setProgressDrawable(getResources().getDrawable(R.drawable.progress_applied));
sb2.setProgress(progress);
sb3.setProgress(progress);
break;
case R.id.seekBar2:
//sb1.setProgressDrawable(getResources().getDrawable(R.drawable.progress_applied));
//sb3.setProgressDrawable(getResources().getDrawable(R.drawable.progress_applied));
sb1.setProgress(progress);
sb3.setProgress(progress);
break;
case R.id.seekBar3:
//sb1.setProgressDrawable(getResources().getDrawable(R.drawable.progress_applied));
//sb2.setProgressDrawable(getResources().getDrawable(R.drawable.progress_applied));
sb1.setProgress(progress);
sb2.setProgress(progress);
break;
}
used= (Integer.parseInt(tv1.getText().toString()))+(Integer.parseInt(tv2.getText().toString()))+(Integer.parseInt(tv3.getText().toString()));
remaining = total-used;
tvremaining.setText(Integer.toString(remaining));
tvused.setText(Integer.toString(used));
// TODO Auto-generated method stub
}
试试这个
final SeekBar mSeekBar=(SeekBar) findViewById(R.id.SeekBar);
mSeekBar.setMax(100);
mSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
if(progress>=50)
{
mSeekBar.setProgress(50);
}
// TODO Auto-generated method stub
}
});
我已经为逻辑实现了以下代码:
public class MainActivity extends Activity implements OnSeekBarChangeListener{
public SeekBar sb1,sb2,sb3;
public TextView tv1,tv2,tv3,tvremaining,tvused;
public int remaining, total,used;
public int progress;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sb1=(SeekBar) findViewById(R.id.seekBar1);
sb2=(SeekBar) findViewById(R.id.seekBar2);
sb3=(SeekBar) findViewById(R.id.seekBar3);
tv1=(TextView) findViewById(R.id.textView1);
tv2=(TextView) findViewById(R.id.textView2);
tv3=(TextView) findViewById(R.id.textView3);
tvremaining=(TextView) findViewById(R.id.textView4);
tvused=(TextView) findViewById(R.id.textView5);
sb1.setOnSeekBarChangeListener(this);
sb2.setOnSeekBarChangeListener(this);
sb3.setOnSeekBarChangeListener(this);
total=100;
used=0;
remaining=total-used;
tvremaining.setText(Integer.toString(remaining));
tvused.setText(Integer.toString(used));
}
@Override
public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2)
{
switch (arg0.getId())
{
case R.id.seekBar1:
if((arg1-progress)<=remaining || progress>=arg1)
tv1.setText(Integer.toString(arg1));
else
{
arg0.setProgress(progress);
tv1.setText(Integer.toString(progress));
}
break;
case R.id.seekBar2:
if((arg1-progress)<=remaining || progress>arg1)
tv2.setText(Integer.toString(arg1));
else
{
arg0.setProgress(progress);
tv2.setText(Integer.toString(progress));
}
break;
case R.id.seekBar3:
if((arg1-progress)<=remaining || progress>arg1)
tv3.setText(Integer.toString(arg1));
else
{
arg0.setProgress(progress);
tv3.setText(Integer.toString(progress));
}
break;
}
used= (Integer.parseInt(tv1.getText().toString()))+(Integer.parseInt(tv2.getText().toString()))+(Integer.parseInt(tv3.getText().toString()));
remaining = total-used;
tvremaining.setText(Integer.toString(remaining));
tvused.setText(Integer.toString(used));
}
@Override
public void onStartTrackingTouch(SeekBar arg0)
{
progress= arg0.getProgress();
//arg0.setMax(remaining);
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar arg0)
{
// TODO Auto-generated method stub
} }
public类MainActivity扩展了活动在seekbarchanegListener上的实现{
公共SeekBar sb1、sb2、sb3;
公共文本视图tv1、tv2、tv3、tv3、tv3、tv3、tv6、tv6、tv6、tv6、tv6、tv6、tv6、tv6、tv6、tv6、tv6、;
剩余公共整数,总计,已使用;
公共发展;
@凌驾
创建时的公共void(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sb1=(SeekBar)findViewById(R.id.seekBar1);
sb2=(SeekBar)findViewById(R.id.seekBar2);
sb3=(SeekBar)findViewById(R.id.seekBar3);
tv1=(TextView)findViewById(R.id.textView1);
tv2=(TextView)findViewById(R.id.textView2);
tv3=(TextView)findViewById(R.id.textView3);
tVrestain=(TextView)findViewById(R.id.textView4);
tvused=(TextView)findViewById(R.id.textView5);
sb1.setonseekbarchaneglistener(此);
sb2.setonseekbarchaneglistener(此);
sb3.setonseekbarchaneglistener(本);
总数=100;
使用=0;
剩余=总使用量;
tvlaining.setText(整数.toString(剩余));
setText(Integer.toString(used));
}
@凌驾
public void onProgressChanged(请参见kbar arg0、int arg1、boolean arg2)
{
开关(arg0.getId())
{
案例R.id.seekBar1:
如果((arg1进度)=arg1)
tv1.setText(Integer.toString(arg1));
其他的
{
arg0.设置进度(进度);
tv1.setText(Integer.toString(progress));
}
打破
案例R.id.seekBar2:
如果((arg1进度)arg1)
tv2.setText(Integer.toString(arg1));
其他的
{
arg0.设置进度(进度);
setText(Integer.toString(progress));
}
打破
案例R.id.seekBar3:
如果((arg1进度)arg1)
setText(Integer.toString(arg1));
其他的
{
arg0.设置进度(进度);
tv3.setText(Integer.toString(progress));
}
打破
}
used=(Integer.parseInt(tv1.getText().toString())+(Integer.parseInt(tv2.getText().toString())+(Integer.parseInt(tv3.getText().toString()));
剩余=总使用量;
tvlaining.setText(整数.toString(剩余));
setText(Integer.toString(used));
}
@凌驾
开始跟踪触摸时的公共无效(请参见kbar arg0)
{
progress=arg0.getProgress();
//arg0.setMax(剩余);
//TODO自动生成的方法存根
}
@凌驾
TopTrackingTouch上的公共无效(请参见kbar arg0)
{
//TODO自动生成的方法存根
} }
以下是布局文件:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<SeekBar
android:id="@+id/seekBar1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_alignParentTop="true"
android:layout_margin="40dp" />
<SeekBar
android:id="@+id/seekBar2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_below="@+id/seekBar1"
android:layout_margin="40dp" />
<SeekBar
android:id="@+id/seekBar3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_below="@+id/seekBar2"
android:layout_margin="40dp" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_below="@+id/seekBar1"
android:text="0" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_below="@+id/seekBar2"
android:text="0" />
<TextView
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_below="@+id/seekBar3"
android:text="0" />
<TextView
android:id="@+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/textView3"
android:layout_marginTop="108dp"
android:text="TextView" />
显示一些代码有助于我们更好地识别问题。您忘记提及您迄今为止尝试过的部分..t这对我很有效..然后不要忘记接受答案..)