禁用带代码的对讲

本文介绍了禁用带代码的对讲的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我为盲人创建了一个应用程序.它以文字转语音的方式运行.当我打开对讲时，我的应用程序无法运行，并锁定在徽标屏幕上.我要寻找的是当我的应用运行对讲时将停止.

I built an application for blind people. It runs with text to speech. When I open talkback, my app does not run, lockes on logo screen. What I looking for is when my app runs talkback would stop.

推荐答案

除非已获得系统权限 WRITE_SECURE_SETTINGS (通过ADB)，否则无法在应用程序内打开或关闭话语提示"由用户.

It's not possible to turn TalkBack on or off from within your app unless you have been granted the system permission WRITE_SECURE_SETTINGS (via ADB) by the user.

private static final String TALKBACK_SERVICE_NAME = "com.google.android.marvin.talkback/.TalkBackService";

private void updateTalkBackState(boolean enableTalkBack) {
    if (enableTalkBack) {
        enableAccessibilityService(TALKBACK_SERVICE_NAME);
    } else {
        disableAccessibilityServices();
    }
}

private void enableAccessibilityService(String name) {
    Settings.Secure.putString(getContentResolver(), Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES, name);
    Settings.Secure.putString(getContentResolver(), Settings.Secure.ACCESSIBILITY_ENABLED, VALUE_ENABLED);
}

private void disableAccessibilityServices() {
    Settings.Secure.putString(getContentResolver(), Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES, "");
    Settings.Secure.putString(getContentResolver(), Settings.Secure.ACCESSIBILITY_ENABLED, VALUE_DISABLED);
}

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