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Java源码示例：com.easemob.util.ImageUtils

示例1

@Override
protected Bitmap doInBackground(Object... args) {
	thumbnailPath = (String) args[0];
	localFullSizePath = (String) args[1];
	remotePath = (String) args[2];
	chatType = (ChatType) args[3];
	iv = (ImageView) args[4];
	// if(args[2] != null) {
	activity = (Activity) args[5];
	// }
	message = (EMMessage) args[6];
	File file = new File(thumbnailPath);
	if (file.exists()) {
		return ImageUtils.decodeScaleImage(thumbnailPath, 160, 160);
	} else {
		if (message.direct == EMMessage.Direct.SEND) {
			return ImageUtils.decodeScaleImage(localFullSizePath, 160, 160);
		} else {
			return null;
		}
	}
	

}

示例2

@Override
protected Bitmap doInBackground(Object... args) {
	thumbnailPath = (String) args[0];
	localFullSizePath = (String) args[1];
	remotePath = (String) args[2];
	chatType = (ChatType) args[3];
	iv = (ImageView) args[4];
	// if(args[2] != null) {
	activity = (Activity) args[5];
	// }
	message = (EMMessage) args[6];
	File file = new File(thumbnailPath);
	if (file.exists()) {
		return ImageUtils.decodeScaleImage(thumbnailPath, 160, 160);
	} else {
		if (message.direct == EMMessage.Direct.SEND) {
			return ImageUtils.decodeScaleImage(localFullSizePath, 160, 160);
		} else {
			return null;
		}
	}
	

}

示例3

@Override
protected void onPreExecute() {
	super.onPreExecute();
	int degree = ImageUtils.readPictureDegree(path);
	if (degree != 0) {
		pb.setVisibility(View.VISIBLE);
		photoView.setVisibility(View.INVISIBLE);
	} else {
		pb.setVisibility(View.INVISIBLE);
		photoView.setVisibility(View.VISIBLE);
	}

}

示例4

/**
 * 展示视频缩略图
 * 
 * @param localThumb
 *            本地缩略图路径
 * @param iv
 * @param thumbnailUrl
 *            远程缩略图路径
 * @param message
 */
private void showVideoThumbView(final String localThumb, final ImageView iv, String thumbnailUrl, final EMMessage message) {
    // first check if the thumbnail image already loaded into cache
    Bitmap bitmap = EaseImageCache.getInstance().get(localThumb);
    if (bitmap != null) {
        // thumbnail image is already loaded, reuse the drawable
        iv.setImageBitmap(bitmap);

    } else {
        new AsyncTask<Void, Void, Bitmap>() {

            @Override
            protected Bitmap doInBackground(Void... params) {
                if (new File(localThumb).exists()) {
                    return ImageUtils.decodeScaleImage(localThumb, 160, 160);
                } else {
                    return null;
                }
            }
            
            @Override
            protected void onPostExecute(Bitmap result) {
                super.onPostExecute(result);
                if (result != null) {
                    EaseImageCache.getInstance().put(localThumb, result);
                    iv.setImageBitmap(result);

                } else {
                    if (message.status == EMMessage.Status.FAIL) {
                        if (EaseCommonUtils.isNetWorkConnected(activity)) {
                            EMChatManager.getInstance().asyncFetchMessage(message);
                        }
                    }

                }
            }
        }.execute();
    }
    
}

示例5

@Override
protected Bitmap doInBackground(Object... params) {
	thumbnailPath = (String) params[0];
	thumbnailUrl = (String) params[1];
	iv = (ImageView) params[2];
	activity = (Activity) params[3];
	message = (EMMessage) params[4];
	adapter = (BaseAdapter) params[5];
	if (new File(thumbnailPath).exists()) {
		return ImageUtils.decodeScaleImage(thumbnailPath, 120, 120);
	} else {
		return null;
	}
}

示例6

@Override
protected void onPreExecute() {
	super.onPreExecute();
	int degree = ImageUtils.readPictureDegree(path);
	if (degree != 0) {
		pb.setVisibility(View.VISIBLE);
		photoView.setVisibility(View.INVISIBLE);
	} else {
		pb.setVisibility(View.INVISIBLE);
		photoView.setVisibility(View.VISIBLE);
	}

}

示例7

@Override
protected void onPreExecute() {
	super.onPreExecute();
	int degree = ImageUtils.readPictureDegree(path);
	if (degree != 0) {
		pb.setVisibility(View.VISIBLE);
		photoView.setVisibility(View.INVISIBLE);
	} else {
		pb.setVisibility(View.INVISIBLE);
		photoView.setVisibility(View.VISIBLE);
	}

}

示例8

@Override
protected Bitmap doInBackground(Void... params) {
	Bitmap bitmap = ImageUtils.decodeScaleImage(path, width, height);
	return bitmap;
}

示例9

@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
	setContentView(R.layout.ease_activity_show_big_image);
	super.onCreate(savedInstanceState);

	image = (EasePhotoView) findViewById(R.id.image);
	loadLocalPb = (ProgressBar) findViewById(R.id.pb_load_local);
	default_res = getIntent().getIntExtra("default_image", R.drawable.ease_default_avatar);
	Uri uri = getIntent().getParcelableExtra("uri");
	String remotepath = getIntent().getExtras().getString("remotepath");
	String secret = getIntent().getExtras().getString("secret");
	EMLog.d(TAG, "show big image uri:" + uri + " remotepath:" + remotepath);

	//本地存在，直接显示本地的图片
	if (uri != null && new File(uri.getPath()).exists()) {
		EMLog.d(TAG, "showbigimage file exists. directly show it");
		DisplayMetrics metrics = new DisplayMetrics();
		getWindowManager().getDefaultDisplay().getMetrics(metrics);
		// int screenWidth = metrics.widthPixels;
		// int screenHeight =metrics.heightPixels;
		bitmap = EaseImageCache.getInstance().get(uri.getPath());
		if (bitmap == null) {
			EaseLoadLocalBigImgTask task = new EaseLoadLocalBigImgTask(this, uri.getPath(), image, loadLocalPb, ImageUtils.SCALE_IMAGE_WIDTH,
					ImageUtils.SCALE_IMAGE_HEIGHT);
			if (android.os.Build.VERSION.SDK_INT > 10) {
				task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
			} else {
				task.execute();
			}
		} else {
			image.setImageBitmap(bitmap);
		}
	} else if (remotepath != null) { //去服务器下载图片
		EMLog.d(TAG, "download remote image");
		Map<String, String> maps = new HashMap<String, String>();
		if (!TextUtils.isEmpty(secret)) {
			maps.put("share-secret", secret);
		}
		downloadImage(remotepath, maps);
	} else {
		image.setImageResource(default_res);
	}

	image.setOnClickListener(new OnClickListener() {
		@Override
		public void onClick(View v) {
			finish();
		}
	});
}

示例10

/**
 * 下载图片
 * 
 * @param remoteFilePath
 */
private void downloadImage(final String remoteFilePath, final Map<String, String> headers) {
	String str1 = getResources().getString(R.string.Download_the_pictures);
	pd = new ProgressDialog(this);
	pd.setProgressStyle(ProgressDialog.STYLE_SPINNER);
	pd.setCanceledOnTouchOutside(false);
	pd.setMessage(str1);
	pd.show();
	localFilePath = getLocalFilePath(remoteFilePath);
	final EMCallBack callback = new EMCallBack() {
		public void onSuccess() {

			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					DisplayMetrics metrics = new DisplayMetrics();
					getWindowManager().getDefaultDisplay().getMetrics(metrics);
					int screenWidth = metrics.widthPixels;
					int screenHeight = metrics.heightPixels;

					bitmap = ImageUtils.decodeScaleImage(localFilePath, screenWidth, screenHeight);
					if (bitmap == null) {
						image.setImageResource(default_res);
					} else {
						image.setImageBitmap(bitmap);
						EaseImageCache.getInstance().put(localFilePath, bitmap);
						isDownloaded = true;
					}
					if (pd != null) {
						pd.dismiss();
					}
				}
			});
		}

		public void onError(int error, String msg) {
			EMLog.e(TAG, "offline file transfer error:" + msg);
			File file = new File(localFilePath);
			if (file.exists()&&file.isFile()) {
				file.delete();
			}
			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					pd.dismiss();
					image.setImageResource(default_res);
				}
			});
		}

		public void onProgress(final int progress, String status) {
			EMLog.d(TAG, "Progress: " + progress);
			final String str2 = getResources().getString(R.string.Download_the_pictures_new);
			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					
					pd.setMessage(str2 + progress + "%");
				}
			});
		}
	};

    EMChatManager.getInstance().downloadFile(remoteFilePath, localFilePath, headers, callback);

}

示例11

@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
	setContentView(R.layout.activity_show_big_image);
	super.onCreate(savedInstanceState);

	image = (PhotoView) findViewById(R.id.image);
	loadLocalPb = (ProgressBar) findViewById(R.id.pb_load_local);
	default_res = getIntent().getIntExtra("default_image", R.drawable.default_avatar);
	Uri uri = getIntent().getParcelableExtra("uri");
	String remotepath = getIntent().getExtras().getString("remotepath");
	String secret = getIntent().getExtras().getString("secret");
	System.err.println("show big image uri:" + uri + " remotepath:" + remotepath);

	//本地存在，直接显示本地的图片
	if (uri != null && new File(uri.getPath()).exists()) {
		System.err.println("showbigimage file exists. directly show it");
		DisplayMetrics metrics = new DisplayMetrics();
		getWindowManager().getDefaultDisplay().getMetrics(metrics);
		// int screenWidth = metrics.widthPixels;
		// int screenHeight =metrics.heightPixels;
		bitmap = ImageCache.getInstance().get(uri.getPath());
		if (bitmap == null) {
			LoadLocalBigImgTask task = new LoadLocalBigImgTask(this, uri.getPath(), image, loadLocalPb, ImageUtils.SCALE_IMAGE_WIDTH,
					ImageUtils.SCALE_IMAGE_HEIGHT);
			if (android.os.Build.VERSION.SDK_INT > 10) {
				task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
			} else {
				task.execute();
			}
		} else {
			image.setImageBitmap(bitmap);
		}
	} else if (remotepath != null) { //去服务器下载图片
		System.err.println("download remote image");
		Map<String, String> maps = new HashMap<String, String>();
		if (!TextUtils.isEmpty(secret)) {
			maps.put("share-secret", secret);
		}
		downloadImage(remotepath, maps);
	} else {
		image.setImageResource(default_res);
	}

	image.setOnClickListener(new OnClickListener() {
		@Override
		public void onClick(View v) {
			finish();
		}
	});
}

示例12

/**
 * 下载图片
 * 
 * @param remoteFilePath
 */
private void downloadImage(final String remoteFilePath, final Map<String, String> headers) {
	pd = new ProgressDialog(this);
	pd.setProgressStyle(ProgressDialog.STYLE_SPINNER);
	pd.setCanceledOnTouchOutside(false);
	pd.setMessage("下载图片: 0%");
	pd.show();
	localFilePath = getLocalFilePath(remoteFilePath);
	final HttpFileManager httpFileMgr = new HttpFileManager(this, EMChatConfig.getInstance().getStorageUrl());
	final CloudOperationCallback callback = new CloudOperationCallback() {
		public void onSuccess(String resultMsg) {

			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					DisplayMetrics metrics = new DisplayMetrics();
					getWindowManager().getDefaultDisplay().getMetrics(metrics);
					int screenWidth = metrics.widthPixels;
					int screenHeight = metrics.heightPixels;

					bitmap = ImageUtils.decodeScaleImage(localFilePath, screenWidth, screenHeight);
					if (bitmap == null) {
						image.setImageResource(default_res);
					} else {
						image.setImageBitmap(bitmap);
						ImageCache.getInstance().put(localFilePath, bitmap);
						isDownloaded = true;
					}
					if (pd != null) {
						pd.dismiss();
					}
				}
			});
		}

		public void onError(String msg) {
			Log.e("###", "offline file transfer error:" + msg);
			File file = new File(localFilePath);
			if (file.exists()&&file.isFile()) {
				file.delete();
			}
			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					pd.dismiss();
					image.setImageResource(default_res);
				}
			});
		}

		public void onProgress(final int progress) {
			Log.d("ease", "Progress: " + progress);
			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					pd.setMessage("下载图片: " + progress + "%");
				}
			});
		}
	};

	new Thread(new Runnable() {
		@Override
		public void run() {
			httpFileMgr.downloadFile(remoteFilePath, localFilePath, headers, callback);
		}
	}).start();
}

示例13

@Override
protected Bitmap doInBackground(Void... params) {
	Bitmap bitmap = ImageUtils.decodeScaleImage(path, width, height);
	return bitmap;
}

示例14

@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
	setContentView(R.layout.activity_show_big_image);
	super.onCreate(savedInstanceState);

	image = (PhotoView) findViewById(R.id.image);
	loadLocalPb = (ProgressBar) findViewById(R.id.pb_load_local);
	default_res = getIntent().getIntExtra("default_image", R.drawable.ic_avatar);
	Uri uri = getIntent().getParcelableExtra("uri");
	String remotepath = getIntent().getExtras().getString("remotepath");
	String secret = getIntent().getExtras().getString("secret");
	System.err.println("show big image uri:" + uri + " remotepath:" + remotepath);

	//本地存在，直接显示本地的图片
	if (uri != null && new File(uri.getPath()).exists()) {
		System.err.println("showbigimage file exists. directly show it");
		DisplayMetrics metrics = new DisplayMetrics();
		getWindowManager().getDefaultDisplay().getMetrics(metrics);
		// int screenWidth = metrics.widthPixels;
		// int screenHeight =metrics.heightPixels;
		bitmap = ImageCache.getInstance().get(uri.getPath());
		if (bitmap == null) {
			LoadLocalBigImgTask task = new LoadLocalBigImgTask(this, uri.getPath(), image, loadLocalPb, ImageUtils.SCALE_IMAGE_WIDTH,
					ImageUtils.SCALE_IMAGE_HEIGHT);
			if (android.os.Build.VERSION.SDK_INT > 10) {
				task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
			} else {
				task.execute();
			}
		} else {
			image.setImageBitmap(bitmap);
		}
	} else if (remotepath != null) { //去服务器下载图片
		System.err.println("download remote image");
		Map<String, String> maps = new HashMap<String, String>();
		if (!TextUtils.isEmpty(secret)) {
			maps.put("share-secret", secret);
		}
		downloadImage(remotepath, maps);
	} else {
		image.setImageResource(default_res);
	}

	image.setOnClickListener(new OnClickListener() {
		@Override
		public void onClick(View v) {
			finish();
		}
	});
}

示例15

/**
 * 下载图片
 * 
 * @param remoteFilePath
 */
private void downloadImage(final String remoteFilePath, final Map<String, String> headers) {
	String str1 = getResources().getString(R.string.Download_the_pictures);
	pd = new ProgressDialog(this);
	pd.setProgressStyle(ProgressDialog.STYLE_SPINNER);
	pd.setCanceledOnTouchOutside(false);
	pd.setMessage(str1);
	pd.show();
	localFilePath = getLocalFilePath(remoteFilePath);
	final HttpFileManager httpFileMgr = new HttpFileManager(this, EMChatConfig.getInstance().getStorageUrl());
	final CloudOperationCallback callback = new CloudOperationCallback() {
		public void onSuccess(String resultMsg) {

			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					DisplayMetrics metrics = new DisplayMetrics();
					getWindowManager().getDefaultDisplay().getMetrics(metrics);
					int screenWidth = metrics.widthPixels;
					int screenHeight = metrics.heightPixels;

					bitmap = ImageUtils.decodeScaleImage(localFilePath, screenWidth, screenHeight);
					if (bitmap == null) {
						image.setImageResource(default_res);
					} else {
						image.setImageBitmap(bitmap);
						ImageCache.getInstance().put(localFilePath, bitmap);
						isDownloaded = true;
					}
					if (pd != null) {
						pd.dismiss();
					}
				}
			});
		}

		public void onError(String msg) {
			Log.e("###", "offline file transfer error:" + msg);
			File file = new File(localFilePath);
			if (file.exists()&&file.isFile()) {
				file.delete();
			}
			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					pd.dismiss();
					image.setImageResource(default_res);
				}
			});
		}

		public void onProgress(final int progress) {
			Log.d("ease", "Progress: " + progress);
			final String str2 = getResources().getString(R.string.Download_the_pictures_new);
			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					
					pd.setMessage(str2 + progress + "%");
				}
			});
		}
	};

	new Thread(new Runnable() {
		@Override
		public void run() {
			httpFileMgr.downloadFile(remoteFilePath, localFilePath, headers, callback);
		}
	}).start();
}

示例16

@Override
protected Bitmap doInBackground(Void... params) {
	Bitmap bitmap = ImageUtils.decodeScaleImage(path, width, height);
	return bitmap;
}

Java源码示例：com.easemob.util.ImageUtils

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