Question

在这里搜索后，谷歌搜索了1个半小时没有解决方案，我会问这里。（阅读我能找到的所有SO帖子，并尝试了解决方案，但他们没有工作或让我知道出了什么问题）

我得到一个空的LinearLayout，然后是另一个xml文件中的RelativeLayout。我想要的是为我正在添加的每个“设置”充气RelativeLayout。然而，当我尝试这样做时，只有第一次通货膨胀起作用，其余的不会出现。除了我怀疑它与ID问题之外，我无法确定会出现什么问题。

我尝试更改每次膨胀和添加布局时的ID，但这没有用。虽然调试可以确认mainlayout得到作为孩子的relativelayouts，并且他们的id不同。但仍然没有运气。

希望我能帮助推动正确的方向，以了解这里究竟出了什么问题。 :)

活动代码:( BuildInekBarView（）膨胀并填充Relativelayout

public class SettingsActivity extends AppCompatActivity {

    private SettingsDao settingsDao;
    private List<Settings> allSettings;
    private int lastChildId = 9000;
    private int lastSeekbarId = 5000;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_settings);

        //get data from database.
        DaoSession daoSession = ((App) getApplication()).getDaoSession();
        settingsDao = daoSession.getSettingsDao();

        //get data
        allSettings = settingsDao.queryBuilder().orderAsc(SettingsDao.Properties.Key).list();

        //change list to hashmap
        Map<String, Settings> map = new HashMap<String, Settings>();
        for(Settings item : allSettings) map.put(item.getKey(), item);

        //build all the views
        //Hardcode for different types. Need to edit code to support new types of sensors anyway
        /** Temperature **/
        int tempMax = Integer.parseInt(map.get(SETTING_TEMP_MAX).getValue());
        buildSeekBarView(tempMax, map.get(SETTING_TEMP_UPPER_BORDER), 0.2, getString(R.string.Settings_Temp_High_Zone_Border));
        buildSeekBarView(tempMax, map.get(SETTING_TEMP_LOWER_BORDER), 0.2, getString(R.string.Settings_Temp_Low_Zone_Border));

        /** Humidity **/
        int humiMax = Integer.parseInt(map.get(SETTING_HUMI_MAX).getValue());
        buildSeekBarView(humiMax, map.get(SETTING_HUMI_UPPER_BORDER), 1.0, getString(R.string.Settings_Humi_High_Zone_Border));
        buildSeekBarView(humiMax, map.get(SETTING_HUMI_LOWER_BORDER), 1.0, getString(R.string.Settings_Humi_Low_Zone_Border));

        /** Air Quality **/
        int airQMax = Integer.parseInt(map.get(SETTING_AIRQ_MAX).getValue());
        buildSeekBarView(airQMax, map.get(SETTING_AIRQ_UPPER_BORDER), 10.0, getString(R.string.Settings_AirQ_High_Zone_Border));
        buildSeekBarView(airQMax, map.get(SETTING_AIRQ_LOWER_BORDER), 10.0, getString(R.string.Settings_AirQ_Low_Zone_Border));

        //TODO at end add save btn and listener for that

    }


    public void buildSeekBarView(int max, Settings setting, final Double step_size, String title) {
        LinearLayout mainLayout = (LinearLayout) findViewById(R.id.linearContainer);

        //inflate xml layout and insert into main layout
        RelativeLayout settingView = (RelativeLayout) getLayoutInflater().inflate(R.layout.item_settings_layout, null);

        if (lastSeekbarId != 0) {
            //addrule
            RelativeLayout.LayoutParams rlp = new RelativeLayout.LayoutParams(
                    RelativeLayout.LayoutParams.WRAP_CONTENT,
                    RelativeLayout.LayoutParams.MATCH_PARENT);
            rlp.addRule(RelativeLayout.BELOW, lastSeekbarId);

            settingView.setLayoutParams(rlp);
        }

        settingView.setId(lastSeekbarId + 5);
        lastSeekbarId = settingView.getId();

        //Get Childs in created view
        SeekBar seekbar = (SeekBar) settingView.findViewById(R.id.settingSlider);
        TextView titleView = (TextView) settingView.findViewById(R.id.settingName);
        final TextView seekBarValueView = (TextView) settingView.findViewById(R.id.seekbarValueText);    

        titleView.setText(title);
        titleView.setTag(setting.getId()); //set tag = database ID for this setting

        double proportional = (1 / step_size); //Looses a bit in the high-end as it rounds down if that is the closest int. consider adding fixed amount more to pad the possible loss
        seekbar.setMax((int) ((int) max*proportional)); //multiply with proportional for resolution
        seekbar.setProgress(Integer.parseInt(setting.getValue()));

        seekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                if (fromUser) {
                    if (progress >= 0 && progress <= seekBar.getMax()) {

                        //Multiply with x to get away from ints and be able to set border in x intervals
                        String progressString = String.valueOf(progress * step_size);
                        seekBarValueView.setText(progressString); // the TextView Reference
                        seekBar.setSecondaryProgress(progress);
                    }
                }
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

        mainLayout.addView(settingView);
    }
}

RelativeLayout xml：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="80dp"
    android:id="@+id/item_setting_layout"
    android:orientation="horizontal">

    <SeekBar
        android:id="@+id/settingSlider"
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:layout_marginEnd="70dp"
        android:layout_marginTop="10dp"
        android:layout_marginStart="12dp"
        android:progress="0"
        android:layout_below="@+id/settingName"
        android:layout_alignParentStart="true" />

    <TextView
        android:id="@+id/settingName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text=""
        android:textSize="20sp"
        android:layout_marginTop="18dp"
        android:layout_marginStart="12dp"
        android:layout_alignParentTop="true"
        android:layout_alignParentStart="true" />

    <TextView
        android:id="@+id/seekbarValueText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text=""
        android:textSize="24sp"
        android:layout_alignTop="@+id/settingSlider"
        android:layout_alignParentEnd="true"
        android:layout_marginEnd="11dp" />

</RelativeLayout>

LinearLayout xml：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center_horizontal"
    android:id="@+id/linearContainer"
    android:orientation="horizontal">
</LinearLayout>

运行时活动的外观：

多次膨胀相同的RelativeLayout以填充主LinearLayout

0 个答案: