Android：简单的适配器

概述publicclassmissionStep_logs_AextendsBaseAdapterimplementsListAdapter{privateArrayList<missionStep_logs_C>missionStepLogsCs;privateintid;privateContextcontext;publicmissionStep_logs_A(intitem,Contextcontext, @H_403_4@public class missionStep_logs_A extends BaseAdapter implements listadapter { private ArrayList<missionStep_logs_C> missionStepLogsCs; private int ID; private Context context; public missionStep_logs_A(int item, Context context, ArrayList<missionStep_logs_C> missionStepLogsCs) { this.missionStepLogsCs = missionStepLogsCs; if (context == null) { System.out.println("newestList_A：：：" + "取为null"); } else { this.context = context; } this.ID = item; } @OverrIDe public int getCount() { return missionStepLogsCs.size(); } @OverrIDe public Object getItem(int i) { return missionStepLogsCs.get(i); } @OverrIDe public long getItemID(int i) { return i; } @Suppresslint("WrongConstant") @OverrIDe public VIEw getVIEw(final int i, VIEw vIEw, VIEwGroup vIEwGroup) { TextVIEw tv_create_at = null; if (context != null) { VIEwHolder vIEwHolder; if (vIEw == null) { vIEw = LayoutInflater.from(context).inflate(R.layout.item_home_event, null); tv_create_at = (TextVIEw) vIEw.findVIEwByID(R.ID.tv_create_at); vIEw.setTag(new VIEwHolder(tv_create_at)); } else { VIEwHolder vIEwHolder1 = (VIEwHolder) vIEw.getTag(); // 重新获取VIEwHolder tv_create_at = vIEwHolder1.tv_create_at; } missionStep_logs_C missionStep_logs_c = (missionStep_logs_C) missionStepLogsCs.get(i); // 获取当前项的实例 tv_create_at.setText(missionStep_logs_c.getCreate_at().toString()); } return vIEw; } private final class VIEwHolder { TextVIEw tv_create_at = null; public VIEwHolder(TextVIEw tv_update_at) { this.tv_create_at = tv_create_at; } }} 总结

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