我正在使用cardviews,但问题是我的CardView没有显示任何高程或阴影.我已经尝试了一些stackoverflow答案中建议的方法,就像我尝试过使用高程和阴影属性一样.我也尝试过使用card_view:cardUseCompatPadding ="true",但没有任何成功.这是我的xml文件
<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:card_view="http://schemas.android.com/tools"
android:layout_marginLeft="12dp"
android:layout_marginRight="12dp"
android:layout_marginTop="6dp"
android:layout_marginBottom="6dp"
app:cardBackgroundColor="#FAFBFD"
app:cardElevation="5dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<de.hdodenhof.circleimageview.CircleImageView
android:id="@+id/post_profile_image"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@mipmap/ic_launcher"
android:layout_marginLeft="12dp"
android:layout_marginTop="12dp"/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/post_profile_image"
android:layout_marginLeft="12dp"
android:orientation="vertical"
android:layout_marginTop="16dp">
<TextView
android:id="@+id/post_username"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000"/>
<TextView
android:id="@+id/post_time"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:text="Time"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="@color/grayColor"/>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@android:drawable/ic_delete"
android:id="@+id/post_delete_btn"
android:visibility="invisible"/>
</LinearLayout>
</RelativeLayout>
<ImageView
android:id="@+id/post_image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="12dp"
android:adjustViewBounds="true"
android:background="#00ffffff"
android:src="@drawable/add_btn"
android:visibility="gone"/>
<TextView
android:id="@+id/post_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content" …Run Code Online (Sandbox Code Playgroud) 我有一个应用程序,在检测用户的位置后,该应用程序会显示附近的银行、餐馆等。早些时候,一切正常,但在最近更新我的 Moto X Play 设备后,该应用程序要求“检测到屏幕覆盖”,然后就崩溃了。我不知道如何在我的应用程序中包含此权限。这是我的代码
import android.content.pm.PackageManager;
import android.location.Location;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.FragmentActivity;
import android.support.v4.content.ContextCompat;
import android.util.Log;
import android.widget.Toast;
import com.google.android.gms.ads.AdView;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GoogleApiAvailability;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.LocationListener;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import in.protechlabz.www.yavatmalindicatorserver.R;
/**
* Created by Nikesh on 03/01/2017.
*/
public class NearbyMainActivity extends FragmentActivity implements OnMapReadyCallback, GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener,
LocationListener {
private GoogleMap mMap;
double latitude;
double …Run Code Online (Sandbox Code Playgroud) java android google-maps google-places-api google-location-services