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Code Issues Projects Releases Wiki Activity

Add circle clickability example

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Change-Id: I6706a1f3ad3503970c1f252d6258a0037fc91293
This commit is contained in:
Stephen McDonald 2016-06-24 13:03:47 +10:00
parent 9ffc6b9d12
commit b33eba6764
2 changed files with 56 additions and 22 deletions
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60
ApiDemos/app/src/main/java/com/example/mapdemo/CircleDemoActivity.java
View File

@ -17,6 +17,7 @@ package com.example.mapdemo;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnCircleClickListener;
import com.google.android.gms.maps.GoogleMap.OnMapLongClickListener;
import com.google.android.gms.maps.GoogleMap.OnMarkerDragListener;
import com.google.android.gms.maps.OnMapReadyCallback;
@ -34,6 +35,7 @@ import android.location.Location;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
@ -46,17 +48,12 @@ import java.util.List;
*/
public class CircleDemoActivity extends AppCompatActivity implements OnSeekBarChangeListener,
OnMarkerDragListener, OnMapLongClickListener, OnMapReadyCallback {
private static final LatLng SYDNEY = new LatLng(-33.87365, 151.20689);
private static final double DEFAULT_RADIUS = 1000000;
public static final double RADIUS_OF_EARTH_METERS = 6371009;
private static final int WIDTH_MAX = 50;
private static final int HUE_MAX = 360;
private static final int ALPHA_MAX = 255;
private GoogleMap mMap;
@ -64,26 +61,18 @@ public class CircleDemoActivity extends AppCompatActivity implements OnSeekBarCh
private List<DraggableCircle> mCircles = new ArrayList<DraggableCircle>(1);
private SeekBar mColorBar;
private SeekBar mAlphaBar;
private SeekBar mWidthBar;
private int mStrokeColor;
private int mFillColor;
private CheckBox mClickabilityCheckbox;
private class DraggableCircle {
private final Marker centerMarker;
private final Marker radiusMarker;
private final Circle circle;
private double radius;
public DraggableCircle(LatLng center, double radius) {
public DraggableCircle(LatLng center, double radius, boolean clickable) {
this.radius = radius;
centerMarker = mMap.addMarker(new MarkerOptions()
.position(center)
@ -98,10 +87,11 @@ public class CircleDemoActivity extends AppCompatActivity implements OnSeekBarCh
.radius(radius)
.strokeWidth(mWidthBar.getProgress())
.strokeColor(mStrokeColor)
.fillColor(mFillColor));
.fillColor(mFillColor)
.clickable(clickable));
}
public DraggableCircle(LatLng center, LatLng radiusLatLng) {
public DraggableCircle(LatLng center, LatLng radiusLatLng, boolean clickable) {
this.radius = toRadiusMeters(center, radiusLatLng);
centerMarker = mMap.addMarker(new MarkerOptions()
.position(center)
@ -116,7 +106,8 @@ public class CircleDemoActivity extends AppCompatActivity implements OnSeekBarCh
.radius(radius)
.strokeWidth(mWidthBar.getProgress())
.strokeColor(mStrokeColor)
.fillColor(mFillColor));
.fillColor(mFillColor)
.clickable(clickable));
}
public boolean onMarkerMoved(Marker marker) {
@ -138,6 +129,10 @@ public class CircleDemoActivity extends AppCompatActivity implements OnSeekBarCh
circle.setFillColor(mFillColor);
circle.setStrokeColor(mStrokeColor);
}
public void setClickable(boolean clickable) {
circle.setClickable(clickable);
}
}
/** Generate LatLng of radius marker */
@ -174,6 +169,8 @@ public class CircleDemoActivity extends AppCompatActivity implements OnSeekBarCh
SupportMapFragment mapFragment =
(SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
mClickabilityCheckbox = (CheckBox) findViewById(R.id.toggleClickability);
}
@Override
@ -193,11 +190,22 @@ public class CircleDemoActivity extends AppCompatActivity implements OnSeekBarCh
mAlphaBar.getProgress(), new float[]{mColorBar.getProgress(), 1, 1});
mStrokeColor = Color.BLACK;
DraggableCircle circle = new DraggableCircle(SYDNEY, DEFAULT_RADIUS);
DraggableCircle circle =
new DraggableCircle(SYDNEY, DEFAULT_RADIUS, mClickabilityCheckbox.isChecked());
mCircles.add(circle);
// Move the map so that it is centered on the initial circle
mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(SYDNEY, 4.0f));
// Set up the click listener for the circle.
map.setOnCircleClickListener(new OnCircleClickListener() {
@Override
public void onCircleClick(Circle circle) {
// Flip the r, g and b components of the circle's stroke color.
int strokeColor = circle.getStrokeColor() ^ 0x00ffffff;
circle.setStrokeColor(strokeColor);
}
});
}
@Override
@ -256,7 +264,17 @@ public class CircleDemoActivity extends AppCompatActivity implements OnSeekBarCh
view.getHeight() * 3 / 4, view.getWidth() * 3 / 4));
// ok create it
DraggableCircle circle = new DraggableCircle(point, radiusLatLng);
DraggableCircle circle =
new DraggableCircle(point, radiusLatLng, mClickabilityCheckbox.isChecked());
mCircles.add(circle);
}
}
public void toggleClickability(View view) {
boolean clickable = ((CheckBox) view).isChecked();
// Set each of the circles to be clickable or not, based on the
// state of the checkbox.
for (DraggableCircle draggableCircle : mCircles) {
draggableCircle.setClickable(clickable);
}
}
}

18
ApiDemos/app/src/main/res/layout/circle_demo.xml
View File

@ -58,11 +58,27 @@
<SeekBar android:id="@+id/widthSeekBar" />
</TableRow>
<TableRow
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical">
<CheckBox
android:id="@+id/toggleClickability"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="true"
android:onClick="toggleClickability"
android:text="@string/clickable"/>
</TableRow>
</TableLayout>
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment" />
class="com.google.android.gms.maps.SupportMapFragment"/>
</LinearLayout>