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Android example source code file (Main.java)
This example Android source code file (Main.java) is included in the DevDaily.com
"Java Source Code
Warehouse" project. The intent of this project is to help you "Learn
Android by Example" TM.
The Main.java Android example source code
/*
* Copyright (C) 2008 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.android.tools.layoutlib.create;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Set;
public class Main {
public static void main(String[] args) {
Log log = new Log();
ArrayList<String> osJarPath = new ArrayList();
String[] osDestJar = { null };
if (!processArgs(log, args, osJarPath, osDestJar)) {
log.error("Usage: layoutlib_create [-v] output.jar input.jar ...");
System.exit(1);
}
log.info("Output: %1$s", osDestJar[0]);
for (String path : osJarPath) {
log.info("Input : %1$s", path);
}
try {
AsmGenerator agen = new AsmGenerator(log, osDestJar[0],
CreateInfo.INJECTED_CLASSES,
CreateInfo.OVERRIDDEN_METHODS,
CreateInfo.RENAMED_CLASSES,
CreateInfo.REMOVED_METHODS
);
AsmAnalyzer aa = new AsmAnalyzer(log, osJarPath, agen,
new String[] { "android.view.View" }, // derived from
new String[] { // include classes
"android.*", // for android.R
"android.util.*",
"com.android.internal.util.*",
"android.view.*",
"android.widget.*",
"com.android.internal.widget.*",
"android.text.**",
"android.graphics.*",
"android.graphics.drawable.*",
"android.content.*",
"android.content.res.*",
"org.apache.harmony.xml.*",
"com.android.internal.R**",
"android.pim.*", // for datepicker
"android.os.*", // for android.os.Handler
});
aa.analyze();
agen.generate();
// Throw an error if any class failed to get renamed by the generator
//
// IMPORTANT: if you're building the platform and you get this error message,
// it means the renameClasses[] array in AsmGenerator needs to be updated: some
// class should have been renamed but it was not found in the input JAR files.
Set<String> notRenamed = agen.getClassesNotRenamed();
if (notRenamed.size() > 0) {
// (80-column guide below for error formatting)
// 01234567890123456789012345678901234567890123456789012345678901234567890123456789
log.error(
"ERROR when running layoutlib_create: the following classes are referenced\n" +
"by tools/layoutlib/create but were not actually found in the input JAR files.\n" +
"This may be due to some platform classes having been renamed.");
for (String fqcn : notRenamed) {
log.error("- Class not found: %s", fqcn.replace('/', '.'));
}
for (String path : osJarPath) {
log.info("- Input JAR : %1$s", path);
}
System.exit(1);
}
System.exit(0);
} catch (IOException e) {
log.exception(e, "Failed to load jar");
} catch (LogAbortException e) {
e.error(log);
}
System.exit(1);
}
/**
* Returns true if args where properly parsed.
* Returns false if program should exit with command-line usage.
* <p/>
* Note: the String[0] is an output parameter wrapped in an array, since there is no
* "out" parameter support.
*/
private static boolean processArgs(Log log, String[] args,
ArrayList<String> osJarPath, String[] osDestJar) {
for (int i = 0; i < args.length; i++) {
String s = args[i];
if (s.equals("-v")) {
log.setVerbose(true);
} else if (!s.startsWith("-")) {
if (osDestJar[0] == null) {
osDestJar[0] = s;
} else {
osJarPath.add(s);
}
} else {
log.error("Unknow argument: %s", s);
return false;
}
}
if (osJarPath.isEmpty()) {
log.error("Missing parameter: path to input jar");
return false;
}
if (osDestJar[0] == null) {
log.error("Missing parameter: path to output jar");
return false;
}
return true;
}
}
Other Android examples (source code examples)
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