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POHow to retain the state of a activity that has a GLSurfaceView
 

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  1. POHow to retain the state of a activity that has a GLSurfaceView
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    <p>My problem is our game can switch into menu and setting mode instantly but it will need 4-6 seconds to load texture, init GL render mode eventually I just used 6 simple textures to create 6 sprites in game.</p> <p>Please help me answer two questions: 1. How can I preload our assets in android os to start our game quicker? 2. In order to use a trick to create instance switch between activity, how can I retain my activity with GLSurfaceView state? </p> <p>I order to help you understanding my situation, please read the following code:</p> <p>The game using 3 activities as you can see in following configuration:</p> <pre><code> &lt;application android:label="@string/app_name" android:icon="@drawable/icon" android:allowBackup="true"&gt; &lt;activity android:name=".Menu" android:screenOrientation="portrait" android:theme="@android:style/Theme.NoTitleBar.Fullscreen" android:launchMode="singleTop"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;activity android:name=".ReTouch" android:screenOrientation="portrait" /&gt; &lt;activity android:name=".Preference" android:screenOrientation="portrait" android:theme="@android:style/Theme.NoTitleBar.Fullscreen" /&gt; &lt;/application&gt; </code></pre> <p>My .ReTouch class is a class that extended from RokonActivity (I am using rokon engine for my game), this engine will create a GLSurefaceView to render my game in OpenGL ES You can get RokonAcitivity's source code here: <a href="http://code.google.com/p/rokon/source/browse/tags/release/1.1.1/src/com/stickycoding/Rokon/RokonActivity.java" rel="nofollow noreferrer">http://code.google.com/p/rokon/source/browse/tags/release/1.1.1/src/com/stickycoding/Rokon/RokonActivity.java</a></p> <pre><code> public class ReTouch extends RokonActivity { public static final int REPLAY_DELAY_INTERVAL = 1000; private ReTouchGameBoard reTouchGame; </code></pre> <p>and .Menu, .Preference are two normal standard activity in an android application.</p> <p>I am using this method to start and switch between activities:</p> <pre><code> playButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { soundPool.play(soundId, 1, 1, 1, 0, 1); startActivity(new Intent(Menu.this, ReTouch.class)); } }); settingButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { soundPool.play(soundId, 1, 1, 1, 0, 1); startActivity(new Intent(Menu.this, Preference.class)); } }); quitButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { soundPool.play(soundId, 1, 1, 1, 0, 1); finish(); } }); </code></pre>
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