Android Open Source - LitePal Max Sample Activity

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C)  Tony Green, Litepal Framework Open Source Project
 *// w w  w .j a  v  a2s .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 org.litepal.crud.DataSupport;
import org.litepal.litepalsample.R;
import org.litepal.litepalsample.model.Singer;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class MaxSampleActivity extends Activity implements OnClickListener {

  private Button mMaxBtn1;

  private Button mMaxBtn2;

  private EditText mAgeEdit;

  private TextView mResultText;

  public static void actionStart(Context context) {
    Intent intent = new Intent(context, MaxSampleActivity.class);
    context.startActivity(intent);
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.max_sample_layout);
    mMaxBtn1 = (Button) findViewById(R.id.max_btn1);
    mMaxBtn2 = (Button) findViewById(R.id.max_btn2);
    mAgeEdit = (EditText) findViewById(R.id.age_edit);
    mResultText = (TextView) findViewById(R.id.result_text);
    mMaxBtn1.setOnClickListener(this);
    mMaxBtn2.setOnClickListener(this);
  }

  @Override
  public void onClick(View view) {
    int result = 0;
    switch (view.getId()) {
    case R.id.max_btn1:
      result = DataSupport.max(Singer.class, "age", Integer.TYPE);
      mResultText.setText(String.valueOf(result));
      break;
    case R.id.max_btn2:
      try {
        result = DataSupport.where("age < ?", mAgeEdit.getText().toString()).max(
            Singer.class, "age", Integer.TYPE);
        mResultText.setText(String.valueOf(result));
      } catch (Exception e) {
        e.printStackTrace();
      }
      break;
    default:
    }
  }

}

Java Source Code List