android

问题 I have compiled with following design library and it is displaying password HIDE/SHOW button at the right of EditText compile 'com.android.support:design:24.2.1' <android.support.design.widget.TextInputLayout android:id="@+id/login_password_text_input_layout" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="@dimen/spacing_normal"> <android.support.v7.widget.AppCompatEditText android:id="@+id/login_password_edit_text" android:layout_width=

问题 I have compiled with following design library and it is displaying password HIDE/SHOW button at the right of EditText compile 'com.android.support:design:24.2.1' <android.support.design.widget.TextInputLayout android:id="@+id/login_password_text_input_layout" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="@dimen/spacing_normal"> <android.support.v7.widget.AppCompatEditText android:id="@+id/login_password_edit_text" android:layout_width=

问题 In my application I have created a calendar with Gridview and in that Gridview I am displaying dates and some availability of events with the help of Imageview and to do this I have created a handler. Now I want to stop the handler. MainActivity.java // inside oncreate Handler handler = new Handler(); refreshCalendar(); // outside oncreate public void refreshCalendar() { calAdapter.refreshDays(); calAdapter.notifyDataSetChanged(); handler.post(calendarUpdater); calTitle.setText(android.text

问题 How do I make a single row query with Android Room with RxJava? I am able to query for List of items, no issues. Here, I want to find if a specific row exists. According to the docs, looks like I can return Single and check for EmptyResultSetException exception if no row exists. I can have something like: @Query("SELECT * FROM Users WHERE userId = :id LIMIT 1") Single<User> findByUserId(String userId); How do I use this call? Looks like there is some onError / onSuccess but cannot find those

问题 I am accessing a URL that's redirecting me to a URL with spaces in it. (Using HttpClient 4.x) How do I prevent this from throwing an error (replacing the spaces with %20 not +) 08-06 02:45:56.486: WARN/System.err(655): org.apache.http.client.ClientProtocolException 08-06 02:45:56.493: WARN/System.err(655): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:557) 08-06 02:45:56.534: WARN/System.err(655): at org.apache.http.impl.client.AbstractHttpClient.execute

问题 How do I make a single row query with Android Room with RxJava? I am able to query for List of items, no issues. Here, I want to find if a specific row exists. According to the docs, looks like I can return Single and check for EmptyResultSetException exception if no row exists. I can have something like: @Query("SELECT * FROM Users WHERE userId = :id LIMIT 1") Single<User> findByUserId(String userId); How do I use this call? Looks like there is some onError / onSuccess but cannot find those

问题 I'm new to Android development and am creating an app that allows a User to create a Geo fence around a specific location for reminders. For example: Making a geofence around a grocery store to remind the user as he enters to pick up Orange Juice. Does anyone know of a tutorial that could help in developing something like this? 回答1: AFAIK there are no tutorials for geofencing, but it's pretty simple (assuming you want a circular fence). This tutorial will tell you how to get the user's

问题 I have a ripple working with a custom color. However, the color is never fully opaque. According to the answers from What should be the color of the Ripple, colorPrimary or colorAccent? (Material Design) it always has an alpha of 40%. Looking at the answers I've tried to use the following v21 specific drawable xml to force an opaque red background once selected: <?xml version="1.0" encoding="utf-8"?> <ripple xmlns:android="http://schemas.android.com/apk/res/android" android:color="#ffff0000">

问题 I have a ripple working with a custom color. However, the color is never fully opaque. According to the answers from What should be the color of the Ripple, colorPrimary or colorAccent? (Material Design) it always has an alpha of 40%. Looking at the answers I've tried to use the following v21 specific drawable xml to force an opaque red background once selected: <?xml version="1.0" encoding="utf-8"?> <ripple xmlns:android="http://schemas.android.com/apk/res/android" android:color="#ffff0000">

问题 I have a ripple working with a custom color. However, the color is never fully opaque. According to the answers from What should be the color of the Ripple, colorPrimary or colorAccent? (Material Design) it always has an alpha of 40%. Looking at the answers I've tried to use the following v21 specific drawable xml to force an opaque red background once selected: <?xml version="1.0" encoding="utf-8"?> <ripple xmlns:android="http://schemas.android.com/apk/res/android" android:color="#ffff0000">