zoriya/react-native-background-downloader
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This commit is contained in:
Elad Gil
2018-04-24 11:52:58 +03:00
commit ac1fe56e3f
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android/build.gradle
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buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:1.3.1'
}
}
apply plugin: 'com.android.library'
android {
compileSdkVersion 23
buildToolsVersion "23.0.1"
defaultConfig {
minSdkVersion 16
targetSdkVersion 22
versionCode 1
versionName "1.0"
}
lintOptions {
abortOnError false
}
}
repositories {
mavenCentral()
}
dependencies {
compile "com.tonyodev.fetch2:fetch2:2.0.0-RC12"
compile 'com.facebook.react:react-native:+'
}
android/gradle/wrapper/gradle-wrapper.jar
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android/gradle/wrapper/gradle-wrapper.properties
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#Tue Apr 24 11:44:55 IDT 2018
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-2.2-all.zip
android/gradlew
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#!/usr/bin/env sh
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=$(save "$@")
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi
exec "$JAVACMD" "$@"
android/gradlew.bat
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@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega
android/src/main/AndroidManifest.xml
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.eko">
</manifest>
android/src/main/java/com/eko/RNBackgroundDownloadModule.java
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package com.eko;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.SharedPreferences;
import android.util.Log;
import com.ekoapp.BuildConfig;
import com.facebook.react.bridge.Arguments;
import com.facebook.react.bridge.Promise;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.WritableArray;
import com.facebook.react.bridge.WritableMap;
import com.facebook.react.modules.core.DeviceEventManagerModule;
import com.tonyodev.fetch2.Download;
import com.tonyodev.fetch2.Error;
import com.tonyodev.fetch2.Fetch;
import com.tonyodev.fetch2.FetchListener;
import com.tonyodev.fetch2.Func;
import com.tonyodev.fetch2.NetworkType;
import com.tonyodev.fetch2.Priority;
import com.tonyodev.fetch2.Request;
import com.tonyodev.fetch2.Status;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class RNBackgroundDownloadModule extends ReactContextBaseJavaModule {
private static final int TASK_RUNNING = 0;
private static final int TASK_SUSPENDED = 1;
private static final int TASK_CANCELING = 2;
private static final int TASK_COMPLETED = 3;
private static Map<Status, Integer> stateMap = new HashMap<Status, Integer>() {{
put(Status.DOWNLOADING, TASK_RUNNING);
put(Status.COMPLETED, TASK_COMPLETED);
put(Status.PAUSED, TASK_SUSPENDED);
put(Status.QUEUED, TASK_RUNNING);
put(Status.CANCELLED, TASK_CANCELING);
put(Status.FAILED, TASK_CANCELING);
put(Status.REMOVED, TASK_CANCELING);
put(Status.DELETED, TASK_CANCELING);
put(Status.NONE, TASK_CANCELING);
}};
private Fetch fetch;
private Map<String, Integer> idToRequestId = new HashMap<>();
@SuppressLint("UseSparseArrays")
private Map<Integer, TaskConfig> requestIdToConfig = new HashMap<>();
private DeviceEventManagerModule.RCTDeviceEventEmitter ee;
private Date lastProgressReport = new Date();
private WritableArray progressReports = Arguments.createArray();
public RNFBGDModule(ReactApplicationContext reactContext) {
super(reactContext);
loadConfigMap();
fetch = new Fetch.Builder(this.getReactApplicationContext(), "RNBackgroundDownload")
.setDownloadConcurrentLimit(4)
.build();
fetch.addListener(this);
}
@Override
public void onCatalystInstanceDestroy() {
fetch.close();
}
@Override
public String getName() {
return "RNBackgroundDownload";
}
@Override
public void initialize() {
ee = getReactApplicationContext().getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class);
}
@Override
public boolean hasConstants() {
return true;
}
@Nullable
@Override
public Map<String, Object> getConstants() {
Map<String, Object> constants = new HashMap<>();
constants.put("documents", this.getReactApplicationContext().getFilesDir().getAbsolutePath());
constants.put("TaskRunning", TASK_RUNNING);
constants.put("TaskSuspended", TASK_SUSPENDED);
constants.put("TaskCanceling", TASK_CANCELING);
constants.put("TaskCompleted", TASK_COMPLETED);
constants.put("PriorityHigh", Priority.HIGH.getValue());
constants.put("PriorityNormal", Priority.NORMAL.getValue());
constants.put("PriorityLow", Priority.LOW.getValue());
constants.put("OnlyWifi", NetworkType.WIFI_ONLY.getValue());
constants.put("AllNetworks", NetworkType.ALL.getValue());
return constants;
}
private void removeFromMaps(int requestId) {
TaskConfig config = requestIdToConfig.get(requestId);
if (config != null) {
idToRequestId.remove(config.id);
requestIdToConfig.remove(requestId);
saveConfigMap();
}
}
private void saveConfigMap() {
File file = new File(this.getReactApplicationContext().getFilesDir(), "RNFileBackgroundDownload_configMap");
try {
ObjectOutputStream outputStream = new ObjectOutputStream(new FileOutputStream(file));
outputStream.writeObject(requestIdToConfig);
outputStream.flush();
outputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private void loadConfigMap() {
File file = new File(this.getReactApplicationContext().getFilesDir(), "RNFileBackgroundDownload_configMap");
try {
ObjectInputStream inputStream = new ObjectInputStream(new FileInputStream(file));
requestIdToConfig = (Map<Integer, TaskConfig>) inputStream.readObject();
} catch (IOException | ClassNotFoundException e) {
e.printStackTrace();
}
}
// JS Methods
@ReactMethod
public void download(ReadableMap options) {
String id = options.getString("id");
String url = options.getString("url");
String destination = options.getString("destination");
if (id == null || url == null || destination == null) {
Log.e(getName(), "id, url and destination must be set");
return;
}
TaskConfig config = new TaskConfig(id);
Request request = new Request(url, destination);
request.setPriority(options.hasKey("priority") ? Priority.valueOf(options.getInt("priority")) : Priority.NORMAL);
request.setNetworkType(options.hasKey("network") ? NetworkType.valueOf(options.getInt("network")) : NetworkType.ALL);
fetch.enqueue(request, null, null);
idToRequestId.put(id, request.getId());
requestIdToConfig.put(request.getId(), config);
saveConfigMap();
}
@ReactMethod
public void puaseTask(String identifier) {
Integer requestId = idToRequestId.get(identifier);
if (requestId != null) {
fetch.pause(requestId);
}
}
@ReactMethod
public void resumeTask(String identifier) {
Integer requestId = idToRequestId.get(identifier);
if (requestId != null) {
fetch.resume(requestId);
}
}
@ReactMethod
public void stopTask(String identifier) {
Integer requestId = idToRequestId.get(identifier);
if (requestId != null) {
fetch.cancel(requestId);
}
}
@ReactMethod
public void checkForExistingDownloads(final Promise promise) {
fetch.getDownloads(new Func<List<? extends Download>>() {
@Override
public void call(List<? extends Download> downloads) {
WritableArray foundIds = Arguments.createArray();
for (Download download : downloads) {
if (requestIdToConfig.containsKey(download.getId())) {
TaskConfig config = requestIdToConfig.get(download.getId());
WritableMap params = Arguments.createMap();
params.putString("id", config.id);
params.putInt("state", stateMap.get(download.getStatus()));
params.putInt("bytesWritten", (int)download.getDownloaded());
params.putInt("totalBytes", (int)download.getTotal());
params.putDouble("percent", ((double)download.getProgress()) / 100);
foundIds.pushMap(params);
idToRequestId.put(config.id, download.getId());
config.reportedBegin = true;
} else {
fetch.delete(download.getId());
}
}
promise.resolve(foundIds);
}
});
}
// Fetch API
@Override
public void onQueued(Download download) {
}
@Override
public void onCompleted(Download download) {
WritableMap params = Arguments.createMap();
params.putString("id", requestIdToConfig.get(download.getId()).id);
ee.emit("downloadComplete", params);
removeFromMaps(download.getId());
fetch.remove(download.getId());
}
@Override
public void onError(Download download) {
Error error = download.getError();
Throwable throwable = error.getThrowable();
Log.e(getName(), error.toString());
WritableMap params = Arguments.createMap();
params.putString("id", requestIdToConfig.get(download.getId()).id);
if (error == Error.UNKNOWN && throwable != null) {
params.putString("error", throwable.getLocalizedMessage());
} else {
params.putString("error", error.toString());
}
ee.emit("downloadFailed", params);
removeFromMaps(download.getId());
fetch.remove(download.getId());
}
@Override
public void onProgress(Download download, long l, long l1) {
TaskConfig config = requestIdToConfig.get(download.getId());
WritableMap params = Arguments.createMap();
params.putString("id", config.id);
if (!config.reportedBegin) {
params.putInt("expctedBytes", (int)download.getTotal());
ee.emit("downloadBegin", params);
config.reportedBegin = true;
} else {
params.putInt("written", (int)download.getDownloaded());
params.putInt("total", (int)download.getTotal());
params.putDouble("percent", ((double)download.getProgress()) / 100);
progressReports.pushMap(params);
Date now = new Date();
if (now.getTime() - lastProgressReport.getTime() > 1500) {
ee.emit("downloadProgress", progressReports);
lastProgressReport = now;
progressReports = Arguments.createArray();
}
}
}
@Override
public void onPaused(Download download) {
}
@Override
public void onResumed(Download download) {
}
@Override
public void onCancelled(Download download) {
removeFromMaps(download.getId());
fetch.delete(download.getId());
}
@Override
public void onRemoved(Download download) {
}
@Override
public void onDeleted(Download download) {
}
}
android/src/main/java/com/eko/RNBackgroundDownloadPackage.java
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package com.eko;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import com.facebook.react.ReactPackage;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.uimanager.ViewManager;
import com.facebook.react.bridge.JavaScriptModule;
public class RNBackgroundDownloadPackage implements ReactPackage {
@Override
public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
return Arrays.<NativeModule>asList(new RNBackgroundDownloadModule(reactContext));
}
@Override
public List<Class<? extends JavaScriptModule>> createJSModules() {
return Collections.emptyList();
}
@Override
public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
return Collections.emptyList();
}
}