基本内容

包结构

Android项目目录结构模板以及简单说明【简单版】
https://www.cnblogs.com/whycxb/p/9739148.html

常用插件

https://blog.csdn.net/jia635/article/details/78811892

使用 lambda

app build.gradle 添加

android {    compileOptions {        sourceCompatibility = '1.8'        targetCompatibility = '1.8'        sourceCompatibility JavaVersion.VERSION_1_8        targetCompatibility JavaVersion.VERSION_1_8    }}

log 封装

import android.util.Log;import com.laolang.shopone.helloj.BuildConfig;public class LogUtil {    static String className;//类名    static String methodName;//方法名    static int lineNumber;//行数    /**     * 判断是否可以调试     * @return     */    public static boolean isDebuggable() {        return BuildConfig.DEBUG;    }    private static String createLog(String log ) {        StringBuffer buffer = new StringBuffer();        buffer.append("================");        buffer.append(methodName);        buffer.append("(").append(className).append(":").append(lineNumber).append(")================:");        buffer.append(log);        return buffer.toString();    }    /**     * 获取文件名、方法名、所在行数     * @param sElements     */    private static void getMethodNames(StackTraceElement[] sElements){        className = sElements[1].getFileName();        methodName = sElements[1].getMethodName();        lineNumber = sElements[1].getLineNumber();    }    public static void e(String message){        if (!isDebuggable())            return;        getMethodNames(new Throwable().getStackTrace());        Log.e(className, createLog(message));    }    public static void i(String message){        if (!isDebuggable())            return;        getMethodNames(new Throwable().getStackTrace());        Log.i(className, createLog(message));    }    public static void d(String message){        if (!isDebuggable())            return;        getMethodNames(new Throwable().getStackTrace());        Log.d(className, createLog(message));    }    public static void v(String message){        if (!isDebuggable())            return;        getMethodNames(new Throwable().getStackTrace());        Log.v(className, createLog(message));    }    public static void w(String message){        if (!isDebuggable())            return;        getMethodNames(new Throwable().getStackTrace());        Log.w(className, createLog(message));    }}

效果

android 笔记

基本内容

包结构

常用插件

使用 lambda

log 封装

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