我在 https://github.com/anothem/android-range-seek-bar 使用控件 android-range-seek-bar显示两个拇指控件,允许选择一个范围。
我希望指示栏上所选最小值和最大值的文本格式为“hh:mm:ss”,我创建了一个函数 ConvertSecondsToHMmSs
, 我怎样才能做到这一点?如1000L显示“00:00:01”
此外,我希望在最小值或最大值发生变化时做一些事情,但只有事件 public void onRangeSeekBarValuesChanged(RangeSeekBar<?> bar, Long minValue, Long maxValue)
,它无法区分更改了哪个值,最小值或最大值。我希望当最小值改变时做A,当最大值改变时做B!
代码
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
RangeSeekBar<Long> seekBar = (RangeSeekBar<Long>) findViewById(R.id.myRangeSeekBar);
seekBar.setRangeValues(1000L,2000L);
}
private String ConvertSecondsToHMmSs(long millis) {
return String.format("%02d:%02d:%02d",
TimeUnit.MILLISECONDS.toHours(millis),
TimeUnit.MILLISECONDS.toMinutes(millis) -
TimeUnit.HOURS.toMinutes(TimeUnit.MILLISECONDS.toHours(millis)),
TimeUnit.MILLISECONDS.toSeconds(millis) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis)));
}
布局
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:rsb="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context=".MainActivity">
<TextView android:text="@string/hello_world" android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<org.florescu.android.rangeseekbar.RangeSeekBar
android:id="@+id/myRangeSeekBar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
rsb:absoluteMaxValue="150"
rsb:absoluteMinValue="20"/>
</RelativeLayout>
build.gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "23.0.2"
defaultConfig {
applicationId "com.example.cuiwei.myapplication"
minSdkVersion 21
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'org.florescu.android.rangeseekbar:rangeseekbar-library:0.3.0'
}
最佳答案
这很简单,尽管您需要修改原始的 RangeSeekBar
:
1.
将
RangeSeekBar
类复制到您的项目中将您的
convertSecondsToHMmSs
添加到您的自定义RangeSeekBar
类中在
RangeSeekBar
的onDraw
方法中:替换(第 646-647 行)
String minText = String.valueOf(getSelectedMinValue()); String maxText = String.valueOf(getSelectedMaxValue());
与
String minText; String maxText; if (getSelectedMinValue() instanceof Long && getSelectedMaxValue() instanceof Long) { minText = String.valueOf(convertSecondsToHMmSs((Long)getSelectedMinValue())); maxText = String.valueOf(convertSecondsToHMmSs((Long)getSelectedMaxValue())); } else { minText = String.valueOf(getSelectedMinValue()); maxText = String.valueOf(getSelectedMaxValue()); }
(当然,这可以推广到更广泛的用途!)
2。 要区分最小/最大边界变化 - 只需存储以前的值并比较它们:
Long currentMin = 1000L, currentMax = 2000L;
......
RangeSeekBar rangeSeekBar = (RangeSeekBar)findViewById(R.id.myRangeSeekBar);
rangeSeekBar.setRangeValues(currentMin, currentMax);
rangeSeekBar.setOnRangeSeekBarChangeListener(new RangeSeekBar.OnRangeSeekBarChangeListener() {
@Override
public void onRangeSeekBarValuesChanged(RangeSeekBar bar, Object minValue, Object maxValue) {
if (!currentMin.equals(minValue)) {
Toast.makeText(MainActivity.this, "Min border changed", Toast.LENGTH_SHORT).show();
}
if (!currentMax.equals(maxValue)) {
Toast.makeText(MainActivity.this, "Max border changed", Toast.LENGTH_SHORT).show();
}
currentMin = (Long)minValue;
currentMax = (Long)maxValue;
}
});
关于android - 如何格式化 android-range-seek-bar 的最小值和最大值?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34260789/