Android Open Source - LitePal Model Structure Activity

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C)  Tony Green, Litepal Framework Open Source Project
 */*  w  w  w .j a  v  a2  s .c  o  m*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.litepal.litepalsample.activity;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;

import org.litepal.litepalsample.R;
import org.litepal.util.BaseUtility;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class ModelStructureActivity extends Activity {

  public static final String CLASS_NAME = "class_name";

  private ListView mModelStructureListView;

  private ArrayAdapter<Field> mAdapter;

  private String mClassName;

  private List<Field> mList = new ArrayList<Field>();

  public static void actionStart(Context context, String className) {
    Intent intent = new Intent(context, ModelStructureActivity.class);
    intent.putExtra(CLASS_NAME, className);
    context.startActivity(intent);
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.model_structure_layout);
    mClassName = getIntent().getStringExtra(CLASS_NAME);
    mModelStructureListView = (ListView) findViewById(R.id.model_structure_listview);
    analyzeModelStructure();
    mAdapter = new MyArrayAdapter(this, 0, mList);
    mModelStructureListView.setAdapter(mAdapter);
  }

  private void analyzeModelStructure() {
    Class<?> dynamicClass = null;
    try {
      dynamicClass = Class.forName(mClassName);
    } catch (ClassNotFoundException e) {
      e.printStackTrace();
    }
    Field[] fields = dynamicClass.getDeclaredFields();
    for (Field field : fields) {
      int modifiers = field.getModifiers();
      if (Modifier.isPrivate(modifiers) && !Modifier.isStatic(modifiers)) {
        Class<?> fieldTypeClass = field.getType();
        String fieldType = fieldTypeClass.getName();
        if (BaseUtility.isFieldTypeSupported(fieldType)) {
          mList.add(field);
        }
      }
    }
  }

  class MyArrayAdapter extends ArrayAdapter<Field> {

    public MyArrayAdapter(Context context, int textViewResourceId, List<Field> objects) {
      super(context, textViewResourceId, objects);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
      View view;
      Field field = getItem(position);
      if (convertView == null) {
        view = LayoutInflater.from(getContext()).inflate(R.layout.structure_item,
            null);
      } else {
        view = convertView;
      }
      TextView text1 = (TextView) view.findViewById(R.id.text_1);
      text1.setText(field.getName());
      TextView text2 = (TextView) view.findViewById(R.id.text_2);
      text2.setText(field.getType().getName());
      return view;
    }

  }

}

Java Source Code List

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