How to avoid OutOfMemoryError trouble in Android

How to avoid OutOfMemoryError trouble in Android

- ExoPlayer
- Bitmap
- Glide
- Tools (Leak Canary, Stetho, Takt)

6dd0483f1353a4a359e92633cfd65c64?s=128

Daichi Furiya (Wasabeef)

October 14, 2016
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    10-14 00:38:00.683 13057-13057/tv.abema E/AndroidRuntime: FATAL EXCEPTION: main Process: tv.abema.debug, PID:

    13057 java.lang.OutOfMemoryError: THIS IS FAKE at tv.abema.components.activity.MainActivity.onCreate(MainActivity.java:366) at android.app.Activity.performCreate(Activity.java:6664) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2599) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707) at android.app.ActivityThread.-wrap12(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6077) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
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    Java HeapSize Model getMemoryClass getLargeMemoryClass Nexus 5X 192MB 512MB Xperia

    Z1 (SOL23) 192MB 512MB Galaxy Nexus 96MB 256MB Nexus 7 (2013) 192MB 512MB Nexus 7 (2012) 64MB 384MB Nexus S 48MB 128MB
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    Distribution (AbemaTV) Version Codename Distribution Android 6.0 Marshmallow 28.38% Android

    5.0 Lollipop 22.72% Android 4.4 KitKat 20.09% Android 5.1 Lollipop 13.60% Android 4.2 Jelly Bean 9.60% Android 4.1 Jelly Bean 4.29% Android 4.3 Jelly Bean 0.79% Android 7.0 Nougat 0.52% Android 7.1 Nougat 0.00% Android 4.0.3 - 4.0.4 Ice Cream Sandwich 0.00% 4.1 4.2 5.1 4.4 5.0 6.0
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    Distribution (AbemaTV) Model Brand Distribution Xperia Z3 (SO-01G) Sony 2.81%

    Xperia Z3 (SOL26) Sony 2.40% Xperia Z5 (SOV32) Sony 2.39% Xperia Z5 (SO-01H) Sony 2.10% Z3 Compact (SO-02G) Sony 1.96% Qua tab 01 (KYT31) 京セラ 1.47% Xperia Z4 (SOV31) Sony 1.47% Galaxy S5 (SC-04F) Samsung 1.45% Nexus 7 (2013) Google 1.45% Xperia A (SO-04E) Sony Ericsson 1.37% その他 その他 81.13% その他 Xperia A (SO-04E) Nexus 7 (flo) Galaxy S5 (SC-04F) Xperia Z4 (SOV31) Qua tab 01 (KYT31) Z3 Compact (SO-02G) Xperia Z5 (SO-01H) Xperia Z5 (SOV32) Xperia Z3 (SOL26) Xperia Z3 (SO-01G)
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    1080p (bandwidth = 4200000) 720p (bandwidth = 2200000) 480p (bandwidth

    = 1400000) 360p (bandwidth = 900000) 240p (bandwidth = 300000) Video Resolution
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    Video Resolution 解像度 Wi-Fi Mobile xxxhdpi 1080p 360p 560 dpi

    1080p 360p xxhdpi 720p 360p 400 dpi 720p 360p xhdp 480p 240p hdp 360p 240p mdp 240p 240p
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    Supported Image Formats Format Encoder Decoder Details File Type JPEG

    ◯ ◯ Base Progressive .jpg GIF ◯ .gif PNG ◯ ◯ .png BMP ◯ .bmp WebP ◯ 4.+ ◯ 4.+ .webp
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    inSampleSize public static int calculateInSampleSize( BitmapFactory.Options options, int reqWidth, int

    reqHeight) { final int height = options.outHeight; final int width = options.outWidth; int inSampleSize = 1; if (height > reqHeight || width > reqWidth) { final int halfHeight = height / 2; final int halfWidth = width / 2; while ((halfHeight / inSampleSize) >= reqHeight && (halfWidth / inSampleSize) >= reqWidth) { inSampleSize *= 2; } } return inSampleSize; }
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    inSampleSize public static Bitmap decodeSampledBitmapFromResource( Resources res, int resId, int

    reqWidth, int reqHeight) { // First decode with inJustDecodeBounds=true to check dimensions final BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeResource(res, resId, options); // Calculate inSampleSize options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight); // Decode bitmap with inSampleSize set options.inJustDecodeBounds = false; return BitmapFactory.decodeResource(res, resId, options); }
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    GlideModule public class GlideModule extends OkHttpGlideModule { @Inject OkHttpClient client;

    @Override public void applyOptions(Context context, GlideBuilder builder) { builder.setMemoryCache(new LruResourceCache(getMaxCacheSize(context))) .setDecodeFormat(DecodeFormat.PREFER_ARGB_8888); } private int getMaxCacheSize(Context context) { ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); return (activityManager.getMemoryClass() * 1024 * 1024) / 4; } }
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    GlideModule public class GlideModule extends OkHttpGlideModule { @Inject OkHttpClient client;

    @Override public void applyOptions(Context context, GlideBuilder builder) { builder.setMemoryCache(new LruResourceCache(getMaxCacheSize(context))) .setDecodeFormat(DecodeFormat.PREFER_ARGB_8888); } private int getMaxCacheSize(Context context) { ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); return (activityManager.getMemoryClass() * 1024 * 1024) / 4; } }
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    Thank you. twitter.com/wasabeef_jp wasabeef.jp github.com/wasabeef Photo by Japan Travel And

    Tourism Association is licensed under CC BY 4.0 International