做一个任务基于多个onItemSelectedListeners
问题描述:
我正在使用三个纺纱从用户那里得到输入,并根据这些信息,然后我将绘制的一些数据。但我似乎无法弄清楚如何做到这一点。我有以下代码(提取物以显示重要比特):做一个任务基于多个onItemSelectedListeners
final GraphView graph = (GraphView) findViewById(R.id.graph);
Spinner selectGraphSpinner = (Spinner) findViewById(R.id.graphSpinner);
Spinner selectUserSpinner = (Spinner) findViewById(R.id.userSpinner);
Spinner selectTimeSpinner = (Spinner) findViewById(R.id.timeSpinner);
String[] items = new String[]{"Please Select a User", "04950f4ae53f80", "another user"};
// Create ArrayAdapters for Spinners
ArrayAdapter<CharSequence> selectGraphAdapter = ArrayAdapter
.createFromResource(this, R.array.Graphs,
android.R.layout.simple_spinner_item);
ArrayAdapter<String> userSpinnerAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, items);
ArrayAdapter<CharSequence> spinTimeAdapter = ArrayAdapter
.createFromResource(this, R.array.TimeIncrements,
android.R.layout.simple_spinner_item);
selectGraphSpinner.setAdapter(selectGraphAdapter);
selectUserSpinner.setAdapter(userSpinnerAdapter);
selectTimeSpinner.setAdapter(spinTimeAdapter);
的onItemSelectedListeners×3重复用于其他旋转器:
selectUserSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
itemOne = parent.getItemAtPosition(0).toString();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
// TODO Auto-generated method stub
}
});
所述图形逻辑到目前为止:
while (itemOne != null) {
if (itemOne.equalsIgnoreCase("04950f4ae53f80")) {
if (itemTwo.equalsIgnoreCase("Estimated vs Actual Time")) {
if (itemThree.equalsIgnoreCase("Day")) {
LineGraphSeries<DataPoint> series = new LineGraphSeries<DataPoint>(getData(Data, "Day"));
graph.addSeries(series);
} else {
}
} else {
}
} else {
}
}
我知道,图形作品,因为我有一个微调尝试过,但无法弄清楚,为什么听众不保存变量(我声明的全局 - 静态字符串itemOne等) 谢谢 编辑:旋转器包含多个字符串与不同的初始,但提到使用的,
答
我设法做到这一点通过将每个微调器点击项目保存到全局函数/变量。这允许我运行一个逻辑检查,根据情况返回true或false。然后,我将图形方法放入监听器中,以便在逻辑检查返回true时执行。