安卓开发(二)：Android基础知识

摘录自Android官方文档

• Intent 和 Intent 过滤器: https://developer.android.google.cn/guide/components/intents-filters?hl=zh-cn
• 安卓按钮: https://developer.android.com/guide/topics/ui/controls/button?hl=zh-cn
• 安卓Bitmap: https://developer.android.com/reference/android/graphics/Bitmap
• 安卓NDK bitmap: https://developer.android.com/ndk/reference/group/bitmap
• External Storage in Android: https://www.geeksforgeeks.org/external-storage-in-android-with-example/

#include <bitmap.h>

int AndroidBitmap_lockPixels(
  JNIEnv *env,
  jobject jbitmap,
  void **addrPtr
)

int AndroidBitmap_unlockPixels(
  JNIEnv *env,
  jobject jbitmap
)

• 安卓逆向工程: https://github.com/iBotPeaches/Apktool
• APKTool: https://apktool.org/
• 安卓SurfaceView: https://developer.android.com/reference/android/view/SurfaceView
• 数据和文件存储：https://developer.android.com/training/data-storage?hl=zh-cn

Android 日志

import android.util.Log

• 安卓Log: https://developer.android.com/reference/android/util/Log
• Logcat: https://developer.android.com/studio/debug/am-logcat?hl=zh-cn

安卓Log的优先级排序：

• 错误 ERROR 6
• 警告 WARN 5
• 信息 INFO 4
• 调试 DEBUG 3
• 详细程度 Verbose 2