Toast 是Android 中用来显示显示信息的一种机制，和Dialog 不一样的是，Toast 是没有焦点的，而且Toast 显示的时间有限，过一定的时间就会自动消失。 1.默认效果: 代码: Toast.makeText(getApplicationContext(), "默认 Toast 样式", Toast.LENGTH_SHORT).show(); 2.自定义显示位置效果: 代码: toast = Toast.makeText(getApplicationContext(), "自定义位置 Toast", Toast.LENGTH_LONG); toast.setGravity(Gravity.CENTER, 0, 0); toast.show(); 3.带图片效果: 代码 toast = Toast.makeText(getApplicationContext(), "带图片的Toast", Toast.LENGTH_LONG); toast.setGravity(Gravity.CENTER, 0, 0); LinearLayout toastView = (LinearLayout) toast.getView(); ImageView imageCodeProject = new ImageView(getApplicationContext()); imageCodeProject.setImageResource(R.drawable.icon); toastView.addView(imageCodeProject, 0); toast.show(); 4.完全自定义效果: 代码 LayoutInflater inflater = getLayoutInflater(); View layout = inflater.inflate(R.layout.custom, (ViewGroup) findViewById(R.id.llToast)); ImageView image = (ImageView) layout .findViewById(R.id.tvImageToast); image.setImageResource(R.drawable.icon); TextView title = (TextView) layout.findViewById(R.id.tvTitleToast); title.setText("Attention"); TextView text = (TextView) layout.findViewById(R.id.tvTextToast); text.setText("完全自定义 Toast"); toast = new Toast(getApplicationContext()); toast.setGravity(Gravity.RIGHT | Gravity.TOP, 12, 40); toast.setDuration(Toast.LENGTH_LONG); toast.setView(layout); toast.show(); 5.其他线程: 代码: new Thread(new Runnable() { public void run() { showToast(); } }).start(); android.permission.ACCESS_CHECKIN_PROPERTIES 允许读写访问” properties” 表在checkin 数据库中，改值可以修改上传( Allows read/write access to the “properties” table in the checkin database, to change values that get uploaded) android.permission.ACCESS_COARSE_LOCATION 允许一个程序访问CellID 或 WiFi 热点来获取粗略的位置(Allows an applica...
