Java tutorial
//package com.java2s; //License from project: Apache License import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Build; import android.util.Log; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; public class Main { static final String TAG = "myTag"; public static Bitmap createVideoThumbnail(String filePath) { // MediaMetadataRetriever is available on API Level 8 // but is hidden until API Level 10 Class<?> clazz = null; Object instance = null; try { clazz = Class.forName("android.media.MediaMetadataRetriever"); instance = clazz.newInstance(); Method method = clazz.getMethod("setDataSource", String.class); method.invoke(instance, filePath); // The method name changes between API Level 9 and 10. if (Build.VERSION.SDK_INT <= 9) { return (Bitmap) clazz.getMethod("captureFrame").invoke(instance); } else { byte[] data = (byte[]) clazz.getMethod("getEmbeddedPicture").invoke(instance); if (data != null) { Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length); if (bitmap != null) return bitmap; } return (Bitmap) clazz.getMethod("getFrameAtTime").invoke(instance); } } catch (IllegalArgumentException ex) { // Assume this is a corrupt video file } catch (RuntimeException ex) { // Assume this is a corrupt video file. } catch (InstantiationException e) { Log.e(TAG, "createVideoThumbnail", e); } catch (InvocationTargetException e) { Log.e(TAG, "createVideoThumbnail", e); } catch (ClassNotFoundException e) { Log.e(TAG, "createVideoThumbnail", e); } catch (NoSuchMethodException e) { Log.e(TAG, "createVideoThumbnail", e); } catch (IllegalAccessException e) { Log.e(TAG, "createVideoThumbnail", e); } finally { try { if (instance != null) { clazz.getMethod("release").invoke(instance); } } catch (Exception ignored) { } } return null; } }