Android example source code file (SpriteMethodTest.java)

This example Android source code file (SpriteMethodTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

activity_test, alertdialog, android, app, application, button, charsequence, checkbox, content, dialog, edittext, intent, no, onclicklistener, override, radiogroup, results_dialog, string, ui, widget

The SpriteMethodTest.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * 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 com.android.spritemethodtest;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioGroup;

/**
 * Main entry point for the SpriteMethodTest application.  This application
 * provides a simple interface for testing the relative speed of 2D rendering
 * systems available on Android, namely the Canvas system and OpenGL ES.  It
 * also serves as an example of how SurfaceHolders can be used to create an
 * efficient rendering thread for drawing.
 */
public class SpriteMethodTest extends Activity {
    private static final int ACTIVITY_TEST = 0;
    private static final int RESULTS_DIALOG = 0;
    
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        setContentView(R.layout.main);
        
        // Sets up a click listener for the Run Test button.
        Button button;
        button = (Button) findViewById(R.id.runTest);
        button.setOnClickListener(mRunTestListener);

        // Turns on one item by default in our radio groups--as it should be!
        RadioGroup group = (RadioGroup)findViewById(R.id.renderMethod);
        group.setOnCheckedChangeListener(mMethodChangedListener);
        group.check(R.id.methodCanvas);
        
        RadioGroup glSettings = (RadioGroup)findViewById(R.id.GLSettings);
        glSettings.check(R.id.settingVerts);
        
    }
    
    /** Passes preferences about the test via its intent. */
    protected void initializeIntent(Intent i) {
        final CheckBox checkBox = (CheckBox) findViewById(R.id.animateSprites);
        final boolean animate = checkBox.isChecked();
        final EditText editText = (EditText) findViewById(R.id.spriteCount);
        final String spriteCountText = editText.getText().toString(); 
        final int stringCount = Integer.parseInt(spriteCountText);
        
        i.putExtra("animate", animate);
        i.putExtra("spriteCount", stringCount);
    }
    
    /** 
     * Responds to a click on the Run Test button by launching a new test 
     * activity.
     */
    View.OnClickListener mRunTestListener = new OnClickListener() {
        public void onClick(View v) {
            RadioGroup group = (RadioGroup)findViewById(R.id.renderMethod);
            Intent i;
            if (group.getCheckedRadioButtonId() == R.id.methodCanvas) {
                i = new Intent(v.getContext(), CanvasTestActivity.class);
            } else {
                i = new Intent(v.getContext(), OpenGLTestActivity.class);
                RadioGroup glSettings = 
                    (RadioGroup)findViewById(R.id.GLSettings);
                if (glSettings.getCheckedRadioButtonId() == R.id.settingVerts) {
                    i.putExtra("useVerts", true);
                } else if (glSettings.getCheckedRadioButtonId() 
                        == R.id.settingVBO) {
                    i.putExtra("useVerts", true);
                    i.putExtra("useHardwareBuffers", true);
                }
            }
            initializeIntent(i);
            startActivityForResult(i, ACTIVITY_TEST);
        }
    };
    
    /**
     * Enables or disables OpenGL ES-specific settings controls when the render
     * method option changes. 
     */
    RadioGroup.OnCheckedChangeListener mMethodChangedListener 
            = new RadioGroup.OnCheckedChangeListener() {
        public void onCheckedChanged(RadioGroup group, int checkedId) {
           if (checkedId == R.id.methodCanvas) {
               findViewById(R.id.settingDrawTexture).setEnabled(false);
               findViewById(R.id.settingVerts).setEnabled(false);
               findViewById(R.id.settingVBO).setEnabled(false);
           } else {
               findViewById(R.id.settingDrawTexture).setEnabled(true);
               findViewById(R.id.settingVerts).setEnabled(true);
               findViewById(R.id.settingVBO).setEnabled(true);
           }
        }
    };
  
    /** Creates the test results dialog and fills in a dummy message. */
    @Override
    protected Dialog onCreateDialog(int id) {
        Dialog dialog = null;
        if (id == RESULTS_DIALOG) {
            
            String dummy = "No results yet.";
            CharSequence sequence = dummy.subSequence(0, dummy.length() -1);
            dialog = new AlertDialog.Builder(this)
                .setTitle(R.string.dialog_title)
                .setPositiveButton(R.string.dialog_ok, null)
                .setMessage(sequence)
                .create();
        }
        return dialog;
    }
    
    /** 
     * Replaces the dummy message in the test results dialog with a string that
     * describes the actual test results.
     */
    protected void onPrepareDialog (int id, Dialog dialog) {
        if (id == RESULTS_DIALOG) {
            // Extract final timing information from the profiler.
            final ProfileRecorder profiler = ProfileRecorder.sSingleton;
            final long frameTime = 
                profiler.getAverageTime(ProfileRecorder.PROFILE_FRAME);
            final long frameMin = 
                profiler.getMinTime(ProfileRecorder.PROFILE_FRAME);
            final long frameMax = 
                profiler.getMaxTime(ProfileRecorder.PROFILE_FRAME);
            
            final long drawTime = 
                    profiler.getAverageTime(ProfileRecorder.PROFILE_DRAW);
            final long drawMin = 
                    profiler.getMinTime(ProfileRecorder.PROFILE_DRAW);
            final long drawMax = 
                    profiler.getMaxTime(ProfileRecorder.PROFILE_DRAW);
            
            final long flipTime = 
                    profiler.getAverageTime(ProfileRecorder.PROFILE_PAGE_FLIP);
            final long flipMin = 
                    profiler.getMinTime(ProfileRecorder.PROFILE_PAGE_FLIP);
            final long flipMax = 
                    profiler.getMaxTime(ProfileRecorder.PROFILE_PAGE_FLIP);
            
            final long simTime = 
                    profiler.getAverageTime(ProfileRecorder.PROFILE_SIM);
            final long simMin = 
                    profiler.getMinTime(ProfileRecorder.PROFILE_SIM);
            final long simMax = 
                    profiler.getMaxTime(ProfileRecorder.PROFILE_SIM);
            
            
            final float fps = frameTime > 0 ? 1000.0f / frameTime : 0.0f;
            
            String result = "Frame: " +  frameTime + "ms (" + fps + " fps)\n"
                + "\t\tMin: " + frameMin + "ms\t\tMax: " + frameMax + "\n" 
                + "Draw: " + drawTime + "ms\n"
                + "\t\tMin: " + drawMin + "ms\t\tMax: " + drawMax + "\n"
                + "Page Flip: " + flipTime + "ms\n"
                + "\t\tMin: " + flipMin + "ms\t\tMax: " + flipMax + "\n"
                + "Sim: " + simTime + "ms\n"
                + "\t\tMin: " + simMin + "ms\t\tMax: " + simMax + "\n";
            CharSequence sequence = result.subSequence(0, result.length() -1);
            AlertDialog alertDialog = (AlertDialog)dialog;
            alertDialog.setMessage(sequence);
        }
    }
    
    /** Shows the results dialog when the test activity closes. */
    @Override
    protected void onActivityResult(int requestCode, int resultCode, 
            Intent intent) {
        super.onActivityResult(requestCode, resultCode, intent);
        showDialog(RESULTS_DIALOG);
             
    }
   
}