android使用adbshell实现模拟点击

➜  ~ adb shell uiautomator dump /sdcard/dump.xml
UI hierchary dumped to: /sdcard/dump.xml

public final class RootCmd {

    public static final String TAG = "RootCmd";
    private static boolean mHaveRoot = false;
    /**
     *   判断机器Android是否已经root，即是否获取root权限
     */
    public static boolean haveRoot() {
        if (!mHaveRoot) {
            int ret = execRootCmdSilent("echo test"); // 通过执行测试命令来检测
            if (ret != -1) {
                Log.e(TAG, "have root!");
                mHaveRoot = true;
            } else {
                Log.e(TAG, "not root!");
            }
        } else {
            Log.e(TAG, "mHaveRoot = true, have root!");
        }
        return mHaveRoot;
    }

    /**
     * 执行命令并且输出结果
     */
    public static String execRootCmd(String cmd) {
        String result = "";
        DataOutputStream dos = null;
        DataInputStream dis = null;

        try {
            Process p = Runtime.getRuntime().exec("su");// 经过Root处理的android系统即有su命令
            dos = new DataOutputStream(p.getOutputStream());
            dis = new DataInputStream(p.getInputStream());

            Log.e(TAG, cmd);
            dos.writeBytes(cmd + "\n");
            dos.flush();
            dos.writeBytes("exit\n");
            dos.flush();
            String line = null;
            while ((line = dis.readLine()) != null) {
                Log.d("result", line);
                result += line;
            }
            p.waitFor();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (dos != null) {
                try {
                    dos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (dis != null) {
                try {
                    dis.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return result;
    }

    /**
     * 执行命令但不关注结果输出
     */
    public static int execRootCmdSilent(String cmd) {
        int result = -1;
        DataOutputStream dos = null;

        try {
            Process p = Runtime.getRuntime().exec("su");
            dos = new DataOutputStream(p.getOutputStream());

            Log.e(TAG, cmd);
            dos.writeBytes(cmd + "\n");
            dos.flush();
            dos.writeBytes("exit\n");
            dos.flush();
            p.waitFor();
            result = p.exitValue();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (dos != null) {
                try {
                    dos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return result;
    }

}

命令执行： 

RootCmd.execRootCmdSilent("am start com.songheng.eastnews/com.oa.eastfirst.activity.WelcomeActivity"); // 打开app