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in Technique[技术] by (71.8m points)

android - VideoView memory leak

Has any of you encountered a similar memory leak? This is how I'm handling the VideoView at the moment

@Override
protected void onFinishInflate() {
    super.onFinishInflate();
    ButterKnife.bind(this);

    Uri videoUri = Uri.parse(String.format("android.resource://%s/%s", getContext().getPackageName(), videoRes));
    videoView.setVideoURI(videoUri);
    videoView.setOnPreparedListener(mp -> {
        mp.setLooping(true);
        videoView.start();
    });
}

This is what I get on LeakCanary

enter image description here

Any help appreciated!

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1 Reply

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by (71.8m points)

This fixed it for me within an AppCompatActivity that's not using Butterknife

Step 1: Create a utility class

public class AudioServiceContext extends ContextWrapper {

    public AudioServiceContext(Context base) {
        super(base);
    }

    public static ContextWrapper getContext(Context base) {
        return new AudioServiceContext(base);
    }

    @Override
    public Object getSystemService(String name) {
        if (Context.AUDIO_SERVICE.equals(name)) {
            return getApplicationContext().getSystemService(name);
        }
        return super.getSystemService(name);
    }
}

Step 2: within your Activity, use this utility class

public class YourVideoActivity extends AppCompatActivity {

    private VideoView videoView;

    @Override
    protected void attachBaseContext(Context newBase) {
        super.attachBaseContext(AudioServiceContext.getContext(newBase));
    }

    //etc...
}

Credit: https://medium.com/@chauyan/confirmed-videoview-leak-on-android-ac502856a6cf


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