使用Gallery创建向导表单

package com.example.huangfei.hack2; import android.content.Context; import android.graphics.Color; import android.text.Editable; import android.text.InputType; import android.text.TextWatcher; import android.text.method.PasswordTransformationMethod; import android.util.TypedValue; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.inputmethod.EditorInfo; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.Spinner; import android.widget.TextView; import com.example.huangfei.hack2.model.Account; import com.example.huangfei.hack2.model.Countries; import java.util.Arrays; import java.util.HashMap; import java.util.List; /** * Created by huangfeihong on 2015/11/19. */ public class CreateAccountAdapter extends BaseAdapter { /** * 该接口用来与CreateAccountActivity进行交互 */ public static interface CreateAccountDelegate { int FORWARD = 1; int BACKWARD = -1; void scroll(int type);//该方法当点击”Next“按钮时执行 void processForm(Account account);//当用户提交表单时，执行该方法 } public static final String FULL_NAME_KEY = "fullname"; public static final String EMAIL_KEY = "email"; public static final String PASSWORD_KEY = "password"; public static final String GENDER_KEY = "gender"; public static final String CITY_KEY = "city"; public static final String COUNTRY_KEY = "country"; public static final String ZIP_KEY = "zipcode"; private static final int FORMS_QTY = 4; private Context mContext; private LayoutInflater mInflator; private CreateAccountDelegate mDelegate; private HashMap<String, String> mFormData; private Account mAccount; public CreateAccountAdapter(Context ctx) { mContext = ctx; mInflator = LayoutInflater.from(ctx); mFormData = new HashMap<String, String>(); mAccount = new Account(); } @Override public int getCount() { return FORMS_QTY; } @Override public Object getItem(int position) { return null; } @Override public long getItemId(int position) { return position; } public void setDelegate(CreateAccountDelegate delegate) { mDelegate = delegate; } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { //填充自定义View convertView = mInflator.inflate( R.layout.create_account_generic_row, parent, false); } //获取放置表单项的LinearLayout LinearLayout formLayout = (LinearLayout) convertView .findViewById(R.id.create_account_form); //最后一页不显示”Next“按钮 View nextButton = convertView .findViewById(R.id.create_account_next); if (position == FORMS_QTY - 1) { nextButton.setVisibility(View.GONE); } else { nextButton.setVisibility(View.VISIBLE); } if (mDelegate != null) { nextButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mDelegate.scroll(CreateAccountDelegate.FORWARD); } }); } //仅在最后一页显示提交表单按钮 Button createButton = (Button) convertView .findViewById(R.id.create_account_create); if (position == FORMS_QTY - 1) { createButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { processForm(); } }); createButton.setVisibility(View.VISIBLE); } else { createButton.setVisibility(View.GONE); } //根据页面位置填充LinearLayout switch (position) { case 0: populateFirstForm(formLayout); break; case 1: populateSecondForm(formLayout); break; case 2: populateThirdForm(formLayout); break; case 3: populateFourthForm(formLayout); break; } return convertView; } /** * 创建第一个表单 */ private void populateFirstForm(LinearLayout formLayout) { formLayout.addView(createTitle(mContext .getString(R.string.account_create_full_name_title))); EditText nameEditText = createEditText( mContext.getString(R.string.account_create_full_name_hint), InputType.TYPE_CLASS_TEXT, EditorInfo.IME_ACTION_NEXT, false, FULL_NAME_KEY); if (mFormData.get(FULL_NAME_KEY) != null) { nameEditText.setText(mFormData.get(FULL_NAME_KEY)); } formLayout.addView(nameEditText); formLayout.addView(createErrorView(FULL_NAME_KEY)); formLayout.addView(createTitle(mContext .getString(R.string.account_create_email_title))); EditText emailEditText = createEditText( mContext.getString(R.string.account_create_email_hint), InputType.TYPE_CLASS_TEXT, EditorInfo.IME_ACTION_NEXT, true, EMAIL_KEY); if (mFormData.get(EMAIL_KEY) != null) { emailEditText.setText(mFormData.get(EMAIL_KEY)); } formLayout.addView(emailEditText); formLayout.addView(createErrorView(EMAIL_KEY)); } /** * 创建第二个表单 */ private void populateSecondForm(LinearLayout formLayout) { formLayout.addView(createTitle(mContext .getString(R.string.account_create_password_title))); EditText passwordEditText = createEditText( mContext.getString(R.string.account_create_password_hint), InputType.TYPE_CLASS_TEXT, EditorInfo.IME_ACTION_DONE, false, PASSWORD_KEY); //设置输入框文字展示形式 passwordEditText.setTransformationMethod(new PasswordTransformationMethod()); formLayout.addView(passwordEditText); formLayout.addView(createErrorView(PASSWORD_KEY)); formLayout.addView(createTitle(mContext .getString(R.string.account_create_gender_title))); Spinner spinner = new Spinner(mContext); LinearLayout.LayoutParams params = new LinearLayout.LayoutParams( ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); params.bottomMargin = 17; spinner.setLayoutParams(params); final ArrayAdapter<CharSequence> adapter = ArrayAdapter .createFromResource(mContext, R.array.sexes_array, android.R.layout.simple_spinner_item); spinner.setAdapter(adapter); spinner.setPrompt(mContext .getString(R.string.account_create_sex_spinner_prompt)); spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) { mFormData.put(GENDER_KEY, adapter.getItem(pos).toString()); } @Override public void onNothingSelected(AdapterView<?> arg0) { } });