am 93afadf6: am 0fda8b46: Merge "Adding common object pool class. (From: frameworks/base/core/java/android/util/Pools.java)" into jb-mr2-dev
* commit '93afadf625abecec6a1a6796032baefa9933a241':
Adding common object pool class. (From: frameworks/base/core/java/android/util/Pools.java)
diff --git a/.gitignore b/.gitignore
index 2dd1573..3d03f71 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,11 @@
#gitignore file
.gitignore
+
+##Gradle-based build
+.gradle
+build/
+gradle/
+gradlew
+gradlew.bat
+settings.gradle
\ No newline at end of file
diff --git a/common/logger/Log.java b/common/logger/Log.java
new file mode 100644
index 0000000..7a7133a
--- /dev/null
+++ b/common/logger/Log.java
@@ -0,0 +1,236 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.example.android.common.logger;
+
+/**
+ * Helper class for a list (or tree) of LoggerNodes.
+ *
+ * <p>When this is set as the head of the list,
+ * an instance of it can function as a drop-in replacement for {@link android.util.log}.
+ * Most of the methods in this class server only to map a method call in Log to its equivalent
+ * in LogNode.</p>
+ */
+public class Log {
+ // Grabbing the native values from Android's native logging facilities,
+ // to make for easy migration and interop.
+ public static final int NONE = -1;
+ public static final int VERBOSE = android.util.Log.VERBOSE;
+ public static final int DEBUG = android.util.Log.DEBUG;
+ public static final int INFO = android.util.Log.INFO;
+ public static final int WARN = android.util.Log.WARN;
+ public static final int ERROR = android.util.Log.ERROR;
+ public static final int ASSERT = android.util.Log.ASSERT;
+
+ // Stores the beginning of the LogNode topology.
+ private static LogNode mLogNode;
+
+ /**
+ * Returns the next LogNode in the linked list.
+ */
+ public static LogNode getLogNode() {
+ return mLogNode;
+ }
+
+ /**
+ * Sets the LogNode data will be sent to.
+ */
+ public static void setLogNode(LogNode node) {
+ mLogNode = node;
+ }
+
+ /**
+ * Instructs the LogNode to print the log data provided. Other LogNodes can
+ * be chained to the end of the LogNode as desired.
+ *
+ * @param priority Log level of the data being logged. Verbose, Error, etc.
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public static void println(int priority, String tag, String msg, Throwable tr) {
+ if (mLogNode != null) {
+ mLogNode.println(priority, tag, msg, tr);
+ }
+ }
+
+ /**
+ * Instructs the LogNode to print the log data provided. Other LogNodes can
+ * be chained to the end of the LogNode as desired.
+ *
+ * @param priority Log level of the data being logged. Verbose, Error, etc.
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged. The actual message to be logged.
+ */
+ public static void println(int priority, String tag, String msg) {
+ println(priority, tag, msg, null);
+ }
+
+ /**
+ * Prints a message at VERBOSE priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public static void v(String tag, String msg, Throwable tr) {
+ println(VERBOSE, tag, msg, tr);
+ }
+
+ /**
+ * Prints a message at VERBOSE priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ */
+ public static void v(String tag, String msg) {
+ v(tag, msg, null);
+ }
+
+
+ /**
+ * Prints a message at DEBUG priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public static void d(String tag, String msg, Throwable tr) {
+ println(DEBUG, tag, msg, tr);
+ }
+
+ /**
+ * Prints a message at DEBUG priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ */
+ public static void d(String tag, String msg) {
+ d(tag, msg, null);
+ }
+
+ /**
+ * Prints a message at INFO priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public static void i(String tag, String msg, Throwable tr) {
+ println(INFO, tag, msg, tr);
+ }
+
+ /**
+ * Prints a message at INFO priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ */
+ public static void i(String tag, String msg) {
+ i(tag, msg, null);
+ }
+
+ /**
+ * Prints a message at WARN priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public static void w(String tag, String msg, Throwable tr) {
+ println(WARN, tag, msg, tr);
+ }
+
+ /**
+ * Prints a message at WARN priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ */
+ public static void w(String tag, String msg) {
+ w(tag, msg, null);
+ }
+
+ /**
+ * Prints a message at WARN priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public static void w(String tag, Throwable tr) {
+ w(tag, null, tr);
+ }
+
+ /**
+ * Prints a message at ERROR priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public static void e(String tag, String msg, Throwable tr) {
+ println(ERROR, tag, msg, tr);
+ }
+
+ /**
+ * Prints a message at ERROR priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ */
+ public static void e(String tag, String msg) {
+ e(tag, msg, null);
+ }
+
+ /**
+ * Prints a message at ASSERT priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public static void wtf(String tag, String msg, Throwable tr) {
+ println(ASSERT, tag, msg, tr);
+ }
+
+ /**
+ * Prints a message at ASSERT priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged.
+ */
+ public static void wtf(String tag, String msg) {
+ wtf(tag, msg, null);
+ }
+
+ /**
+ * Prints a message at ASSERT priority.
+ *
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public static void wtf(String tag, Throwable tr) {
+ wtf(tag, null, tr);
+ }
+}
diff --git a/common/logger/LogFragment.java b/common/logger/LogFragment.java
new file mode 100644
index 0000000..3dbfdbe
--- /dev/null
+++ b/common/logger/LogFragment.java
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.example.android.common.logger;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ScrollView;
+import android.widget.TextView;
+
+/**
+ * Simple fragment which contains a TextView and uses is to output log data it receives
+ * through the LogNode interface.
+ */
+public class LogFragment extends Fragment implements LogNode {
+
+ // The next LogNode in the chain.
+ LogNode mNext;
+
+ public LogFragment() {}
+
+ @Override
+ public View onCreateView(LayoutInflater inflater, ViewGroup container,
+ Bundle savedInstanceState) {
+ return inflater.inflate(R.layout.log_fragment, container, false);
+ }
+
+ public TextView getTextView() {
+ return (TextView) getActivity().findViewById(R.id.log_output);
+ }
+
+ /** Outputs the string as a new line of log data in the TextView. */
+ public void appendToLog(String s) {
+ getTextView().append("\n" + s);
+ ((ScrollView) getActivity().findViewById(R.id.log_scroll)).fullScroll(View.FOCUS_DOWN);
+ }
+
+ public LogNode getNext() {
+ return mNext;
+ }
+
+ public void setNext(LogNode node) {
+ mNext = node;
+ }
+
+ /** Takes a string and adds to it, with a seperator, if the bit to be added isn't null. Since
+ * the logger takes so many arguments that might be null, this method helps cut out some of the
+ * agonizing tedium of writing the same 3 lines over and over.
+ * @param sourceStr The String to append to.
+ * @param appendStr The String to append
+ * @param delimiter The String to seperate the source and appendee strings. A tab or comma,
+ * for instance.
+ * @return The fully concatonated String
+ */
+ private String appendIfNotNull(String sourceStr, String appendStr, String delimiter) {
+ if (appendStr != null) {
+ if (appendStr.length() == 0) {
+ delimiter = "";
+ }
+ sourceStr = TextUtils.concat(sourceStr, delimiter, appendStr);
+ }
+ return sourceStr;
+ }
+
+ /**
+ * Formats the log data and prints it out to the TextView.
+ * @param priority Log level of the data being logged. Verbose, Error, etc.
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged. The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ @Override
+ public void println(int priority, String tag, String msg, Throwable tr) {
+ String priorityStr = null;
+
+ // For the purposes of this Fragment, we want to print the priority as readable text.
+ switch(priority) {
+ case Log.VERBOSE:
+ priorityStr = "V";
+ break;
+ case Log.DEBUG:
+ priorityStr = "D";
+ break;
+ case Log.INFO:
+ priorityStr = "I";
+ break;
+ case Log.WARN:
+ priorityStr = "W";
+ break;
+ case Log.ERROR:
+ priorityStr = "E";
+ break;
+ case Log.ASSERT:
+ priorityStr = "A";
+ break;
+ default:
+ break;
+ }
+
+ // Handily, the Log class has a facility for converting a stack trace into a useable string.
+ String exceptionStr = null;
+ if (tr != null) {
+ exceptionStr = Log.getStackTraceString(tr);
+ }
+
+ // Take the priority, tag, message, and exception, and concatonate as necessary
+ // into one usable line of text.
+ String outputStr = "";
+ outputStr = appendIfNotNull(outputStr, priorityStr, "\t");
+ outputStr = appendIfNotNull(outputStr, tag, "\t");
+ outputStr = appendIfNotNull(outputStr, msg, "\t");
+ outputStr = appendIfNotNull(outputStr, exceptionStr, "\t");
+
+ // Actually display the text we just generated within the TextView.
+ appendToLog(outputStr);
+
+ if (mNext != null) {
+ mNext.println(priority, tag, msg, tr);
+ }
+ }
+}
diff --git a/common/logger/LogNode.java b/common/logger/LogNode.java
new file mode 100644
index 0000000..bc37cab
--- /dev/null
+++ b/common/logger/LogNode.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.example.android.common.logger;
+
+/**
+ * Basic interface for a logging system that can output to one or more targets.
+ * Note that in addition to classes that will output these logs in some format,
+ * one can also implement this interface over a filter and insert that in the chain,
+ * such that no targets further down see certain data, or see manipulated forms of the data.
+ * You could, for instance, write a "ToHtmlLoggerNode" that just converted all the log data
+ * it received to HTML and sent it along to the next node in the chain, without printing it
+ * anywhere.
+ */
+public interface LogNode {
+
+ /**
+ * Instructs first LogNode in the list to print the log data provided.
+ * @param priority Log level of the data being logged. Verbose, Error, etc.
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged. The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ public void println(int priority, String tag, String msg, Throwable tr);
+
+}
diff --git a/common/logger/LogWrapper.java b/common/logger/LogWrapper.java
new file mode 100644
index 0000000..16a9e7b
--- /dev/null
+++ b/common/logger/LogWrapper.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.example.android.common.logger;
+
+import android.util.Log;
+
+/**
+ * Helper class which wraps Android's native Log utility in the Logger interface. This way
+ * normal DDMS output can be one of the many targets receiving and outputting logs simultaneously.
+ */
+public class LogWrapper implements LogNode {
+
+ // For piping: The next node to receive Log data after this one has done its work.
+ private LogNode mNext;
+
+ /**
+ * Returns the next LogNode in the linked list.
+ */
+ public LogNode getNext() {
+ return mNext;
+ }
+
+ /**
+ * Sets the LogNode data will be sent to..
+ */
+ public void setNext(LogNode node) {
+ mNext = node;
+ }
+
+ /**
+ * Prints data out to the console using Android's native log mechanism.
+ * @param priority Log level of the data being logged. Verbose, Error, etc.
+ * @param tag Tag for for the log data. Can be used to organize log statements.
+ * @param msg The actual message to be logged. The actual message to be logged.
+ * @param tr If an exception was thrown, this can be sent along for the logging facilities
+ * to extract and print useful information.
+ */
+ @Override
+ public void println(int priority, String tag, String msg, Throwable tr) {
+ // There actually are log methods that don't take a msg parameter. For now,
+ // if that's the case, just convert null to the empty string and move on.
+ String useMsg = msg;
+ if (useMsg == null) {
+ useMsg = "";
+ }
+
+ // If an exeption was provided, convert that exception to a usable string and attach
+ // it to the end of the msg method.
+ if (tr != null) {
+ msg += "\n" + Log.getStackTraceString(tr);
+ }
+
+ // This is functionally identical to Log.x(tag, useMsg);
+ // For instance, if priority were Log.VERBOSE, this would be the same as Log.v(tag, useMsg)
+ Log.println(priority, tag, useMsg);
+
+ // If this isn't the last node in the chain, move things along.
+ if (mNext != null) {
+ mNext.println(priority, tag, msg, tr);
+ }
+ }
+}
diff --git a/common/logger/MessageOnlyLogFilter.java b/common/logger/MessageOnlyLogFilter.java
new file mode 100644
index 0000000..d80a742
--- /dev/null
+++ b/common/logger/MessageOnlyLogFilter.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.example.android.common.logger;
+
+/**
+ * Simple {@link LogNode} filter, removes everything except the message.
+ * Useful for situations like on-screen log output where you don't want a lot of metadata displayed,
+ * just easy-to-read message updates as they're happening.
+ */
+public class MessageOnlyLogFilter implements LogNode {
+
+ LogNode mNext;
+
+ /**
+ * Takes the "next" LogNode as a parameter, to simplify chaining.
+ *
+ * @param next The next LogNode in the pipeline.
+ */
+ @Override
+ public MessageOnlyLogFilter(LogNode next) {
+ mNext = next;
+ }
+
+ @Override
+ public void println(int priority, String tag, String msg, Throwable tr) {
+ if (mNext != null) {
+ getNext().println(Log.NONE, null, msg, null);
+ }
+ }
+
+
+ /**
+ * Returns the next LogNode in the linked list.
+ */
+ public LogNode getNext() {
+ return mNext;
+ }
+
+ /**
+ * Sets the LogNode data will be sent to..
+ */
+ public void setNext(LogNode node) {
+ mNext = node;
+ }
+
+}