我是android開發中的新手。我開始爲android可訪問性工作,使盲人應用程序可以訪問android應用程序。我做了簡單的登錄表單,並設置了可訪問性屬性,如內容描述和焦點等,我打開回話並檢查它。通過對講textview上的可訪問性
here is code activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context=".MainActivity"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text="@string/usernm_text"
android:id="@+id/username"
android:contentDescription="@string/usernm_text"
android:focusable="true"
android:nextFocusDown="@+id/usr_nm"
/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:ems="10"
android:id="@+id/usr_nm"
android:contentDescription="@string/usernm_text"
android:focusable="true"
android:text="admin"
android:nextFocusDown="@+id/password"
android:nextFocusUp="@id/usr_nm"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text="@string/pass_text"
android:id="@+id/password"
android:focusable="true"
android:nextFocusDown="@+id/pass_edit"
android:contentDescription="@string/pass_text"
android:nextFocusUp="@id/usr_nm"/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="textPassword"
android:ems="10"
android:id="@+id/pass_edit"
android:contentDescription="@string/pass_text"
android:text="admin"
android:focusable="true"
android:nextFocusDown="@+id/login"
android:nextFocusUp="@id/password"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/login_btn"
android:onClick="log"
android:id="@+id/login"
android:contentDescription="@string/login_btn"
android:focusable="true"
android:nextFocusUp="@id/pass_edit"
android:accessibilityLiveRegion="polite" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:id="@+id/log_succ"
android:focusable="true"
android:accessibilityLiveRegion="polite" />
</LinearLayout>
在我MainActivity.java
public class MainActivity extends AppCompatActivity {
EditText usr_nm;
TextView log_succ;
Button logs;
EditText pass_edit;
int counter=5;
String log_msg="login successful";
Button log_btn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
log_succ=(TextView) findViewById(R.id.log_succ);
usr_nm=(EditText) findViewById(R.id.usr_nm);
pass_edit=(EditText)findViewById(R.id.pass_edit);
}
public void log(View view) {
if (usr_nm.getText().toString().equals("admin") &&
pass_edit.getText().toString().equals("admin")) {
log_succ.setText(log_msg);
log_succ.setContentDescription("Login successful");
// log_succ.isFocusable();
// Toast.makeText(MainActivity.this, "password is correct", Toast.LENGTH_LONG).show();
// Intent in = new Intent("com.example.samir.login_form.user_page");
// startActivity(in);
} else {
Toast.makeText(MainActivity.this, "password is incorrect", Toast.LENGTH_SHORT).show();
counter--;
if (counter == 0)
logs.setEnabled(false);
}
}
登錄成功TextView的提示時,觸摸它。 我希望當我點擊登錄按鈕,然後textview「登錄成功」應立即通過對講提示。 我將AccessibilityliveRegion設置爲「禮貌」。 我還應該做什麼?
它需要添加無障礙服務,以便它可以提供反饋登錄成功。 –