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1. Added ImageCompressor for reducing the size of the images.
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‎.idea/caches/build_file_checksums.ser‎

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‎app/build.gradle‎

Lines changed: 10 additions & 1 deletion
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@@ -25,6 +25,10 @@ android {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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packagingOptions {
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exclude 'META-INF/proguard/androidx-annotations.pro'
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}
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}
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repositories {
@@ -37,7 +41,12 @@ ext {
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dependencies {
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implementation fileTree(include: ['*.jar'], dir: 'libs')
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implementation "com.android.support:appcompat-v7:$supportLibraryVersion"
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// Android library dependencies
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implementation "com.android.support:design:$supportLibraryVersion"
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implementation "com.android.support:cardview-v7:$supportLibraryVersion"
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implementation "com.android.support:appcompat-v7:$supportLibraryVersion"
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// RxJava dependencies
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implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
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}

‎app/src/main/java/com/amit/iv/ImageCompressor.java‎

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@@ -0,0 +1,113 @@
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package com.amit.iv;
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import android.content.Context;
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import android.graphics.Bitmap;
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import com.amit.utilities.ImageUtils;
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import java.io.File;
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import java.io.IOException;
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import java.util.concurrent.Callable;
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import io.reactivex.Flowable;
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/**
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* Created by AMIT JANGID on 27/12/2018.
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**/
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@SuppressWarnings({"unused", "WeakerAccess"})
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public class ImageCompressor
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{
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// max width and height values of the compressed image is taken as 612 x 816
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private int mQuality = 80;
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private int mMaxWidth = 612;
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private int mMaxHeight = 816;
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private String mDestinationDirectoryPath;
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private Bitmap.CompressFormat mCompressFormat = Bitmap.CompressFormat.JPEG;
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public ImageCompressor(Context context)
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{
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mDestinationDirectoryPath = context.getCacheDir().getPath() + File.separator + "images";
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}
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public ImageCompressor setMaxWidth(int maxWidth)
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{
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this.mMaxWidth = maxWidth;
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return this;
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}
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public ImageCompressor setMaxHeight(int maxHeight)
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{
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this.mMaxHeight = maxHeight;
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return this;
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}
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public ImageCompressor setCompressFormat(Bitmap.CompressFormat compressFormat)
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{
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this.mCompressFormat = compressFormat;
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return this;
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}
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public ImageCompressor setQuality(int quality)
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{
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this.mQuality = quality;
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return this;
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}
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public ImageCompressor setDestinationDirectoryPath(String destinationDirectoryPath)
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{
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this.mDestinationDirectoryPath = destinationDirectoryPath;
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return this;
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}
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public File compressToFile(File imageFile) throws IOException
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{
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return compressToFile( imageFile, imageFile.getName() );
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}
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public File compressToFile(File imageFile, String compressedFileName) throws IOException
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{
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return ImageUtils.compressImage( imageFile, mMaxWidth, mMaxHeight, mCompressFormat, mQuality,
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mDestinationDirectoryPath + File.separator + compressedFileName );
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}
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public Bitmap compressToBitmap(File imageFile) throws IOException
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{
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return ImageUtils.decodeSampledBitmapFromFile( imageFile, mMaxWidth, mMaxHeight );
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}
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public Flowable<File> compressToFileAsFlowable(final File imageFile)
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{
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return compressToFileAsFlowable( imageFile, imageFile.getName() );
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}
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public Flowable<File> compressToFileAsFlowable(final File imageFile, final String compressedFileName)
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{
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return Flowable.defer((Callable<Flowable<File>>) () ->
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{
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try
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{
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return Flowable.just( compressToFile( imageFile, compressedFileName ) );
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}
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catch (IOException e)
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{
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return Flowable.error( e );
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}
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});
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}
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public Flowable<Bitmap> compressToBitmapAsFlowable(final File imageFile)
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{
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return Flowable.defer((Callable<Flowable<Bitmap>>) () ->
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{
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try
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{
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return Flowable.just( compressToBitmap( imageFile ) );
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}
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catch (IOException e)
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{
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return Flowable.error( e );
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}
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});
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}
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}

‎app/src/main/java/com/amit/utilities/FilePath.java‎

Lines changed: 136 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,13 +8,148 @@
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import android.os.Environment;
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import android.provider.DocumentsContract;
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import android.provider.MediaStore;
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import android.provider.OpenableColumns;
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import android.util.Log;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* Created by AmitS on 15-05-2017.
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**/
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@SuppressWarnings("unused")
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@SuppressWarnings({"unused", "UnusedReturnValue"})
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public class FilePath
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{
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private static final String TAG = FilePath.class.getSimpleName();
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private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;
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private static final int EOF = -1;
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public static File from(Context context, Uri uri) throws IOException
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{
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String fileName = getFileName(context, uri);
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String[] splitName = splitFileName(fileName);
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File tempFile = File.createTempFile(splitName[0], splitName[1]);
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tempFile = rename(tempFile, fileName);
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tempFile.deleteOnExit();
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FileOutputStream fileOutputStream = null;
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InputStream inputStream = context.getContentResolver().openInputStream(uri);
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try
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{
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fileOutputStream = new FileOutputStream(tempFile);
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}
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catch (Exception e)
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{
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Log.e(TAG, "from: exception while getting file:\n");
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e.printStackTrace();
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}
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if (inputStream != null)
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{
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copy(inputStream, fileOutputStream);
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inputStream.close();
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}
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if (fileOutputStream != null)
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{
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fileOutputStream.close();
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}
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return tempFile;
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}
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private static String[] splitFileName(String fileName)
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{
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String name = fileName;
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String extension = "";
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int i = fileName.lastIndexOf(".");
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if (i != -1)
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{
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name = fileName.substring(0, i);
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extension = fileName.substring(i);
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}
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return new String[]{name, extension};
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}
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private static String getFileName(Context context, Uri uri)
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{
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String result = null;
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if (uri.getScheme().equalsIgnoreCase("content"))
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{
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try (Cursor cursor = context.getContentResolver().query(
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uri, null, null, null, null))
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{
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if (cursor != null && cursor.moveToFirst())
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{
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result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
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}
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}
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catch (Exception e)
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{
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Log.e(TAG, "getFileName: exception while getting file name:\n");
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e.printStackTrace();
101+
}
102+
}
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if (result == null)
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{
106+
result = uri.getPath();
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int cut = result.lastIndexOf(File.separator);
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if (cut != -1)
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{
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result = result.substring(cut + 1);
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}
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}
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return result;
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}
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private static File rename(File file, String newName)
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{
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File newFile = new File(file.getParent(), newName);
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if (!newFile.equals(file))
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{
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if (newFile.exists() && newFile.delete())
125+
{
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Log.e(TAG, "rename: Deleted old + " + newName + " file");
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}
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if (file.renameTo(newFile))
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{
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Log.e(TAG, "rename: Renamed file to " + newFile);
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}
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}
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return newFile;
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}
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private static long copy(InputStream inputStream, OutputStream outputStream) throws IOException
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{
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int n;
141+
long count = 0;
142+
byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
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while (EOF != (n = inputStream.read(buffer)))
145+
{
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outputStream.write(buffer, 0, n);
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count += n;
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}
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return count;
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}
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/**
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* Method for return file path of Gallery image/ Document / Video / Audio
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*

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