AndFix 使用详解

public class AndFixManager {
    private static AndFixManager mInstance = null;
    private PatchManager mPatchManger = null;
    public static AndFixManager getInstance() {
        if (mInstance == null)
            synchronized (AndFixManager.class) {
                if (mInstance == null) {
                    mInstance = new AndFixManager();
                }
            }
        return mInstance;
    }
    /**
     * 初始化 AndFix 方法
     *
     * @param context
     */
    public void initPatch(Context context) {
        mPatchManger = new PatchManager(context);
        mPatchManger.init(getVersionName(context));
        mPatchManger.loadPatch();
    }
    /**
     * 加载 path 文件
     *
     * @param path
     */
    public void addPath(String path) {
        if (mPatchManger != null) {
            try {
                mPatchManger.addPatch(path);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    public static String getVersionName(Context context) {
        String version = "1.0.0";
        try {
            PackageManager pm = context.getPackageManager();
            PackageInfo packageInfo = pm.getPackageInfo(context.getPackageName(), 0);
            version = packageInfo.versionName;
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return version;
    }
}

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    /**
     * 文件后缀名
     */
    private static final String FILE_END = ".apatch";
    /**
     * 文件路径
     */
    private String mPatchDir;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.btn_one).setOnClickListener(this);
        findViewById(R.id.btn_two).setOnClickListener(this);
        mPatchDir = getExternalCacheDir().getAbsolutePath() + "/apatch/";
        //创建文件夹
        File file = new File(mPatchDir);
        if (file.exists()) {
            file.mkdir();
        }
    }
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.btn_one:
                printLog();
                break;
            case R.id.btn_two:
                AndFixManager.getInstance().addPath(getPatchName());
                break;
        }
    }
    /**
     * bug 方法
     */
    public void printLog() {
        String error = null;
        Log.e("-----", "printLog: " + Integer.valueOf(error));
    }
    /**
     * 构造文件名
     *
     * @return
     */
    private String getPatchName() {
        return mPatchDir.concat("345").concat(FILE_END);
    }
}

/**
     * bug 方法
     */
    public void printLog() {
//        String error = null;
//        Log.e("-----", "printLog: " + Integer.valueOf(error));
        Toast.makeText(this, "没有bug", Toast.LENGTH_LONG).show();
    }