android 9.x mtk 定位模拟

引言

懂的都懂。

方案

diff --git a/frameworks/base/location/java/android/location/GpsStatus.java b/frameworks/base/location/java/android/location/GpsStatus.java
index d4ca5fe854..4502e26559 100644
--- a/frameworks/base/location/java/android/location/GpsStatus.java
+++ b/frameworks/base/location/java/android/location/GpsStatus.java
@@ -193,6 +193,42 @@ public final class GpsStatus {
(svidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_USED_IN_FIX) != 0;
}
}
+
boolean isHasGps = false;
+
for (int i = 0; i < 30; i++) {
+
GpsSatellite satellite = mSatellites.get(i);
+
if (satellite != null && satellite.mValid && (satellite.mSnr > 0.0f)) {
+
isHasGps = true;
+
break;
+
}
+
}
+
if(isHasGps){
+
GpsSatellite satellite209 = mSatellites.get(209);
+
if (satellite209 == null) {
+
satellite209 = new GpsSatellite(209);
+
mSatellites.put(209, satellite209);
+
}
+
satellite209.mValid = true;
+
satellite209.mSnr = Float.parseFloat(formateRate(20.0f,10.0f));
+
satellite209.mElevation = 49.0f;
+
satellite209.mAzimuth = 201.0f;
+
satellite209.mHasEphemeris = false;
+
satellite209.mHasAlmanac = false;
+
satellite209.mUsedInFix = false;
+
+
GpsSatellite satellite229 = mSatellites.get(229);
+
if (satellite229 == null) {
+
satellite229 = new GpsSatellite(229);
+
mSatellites.put(229, satellite229);
+
}
+
satellite229.mValid = true;
+
satellite229.mSnr = Float.parseFloat(formateRate(20.0f,10.0f));
+
satellite229.mElevation = 40.0f;
+
satellite229.mAzimuth = 165.0f;
+
satellite229.mHasEphemeris = false;
+
satellite229.mHasAlmanac = false;
+
satellite229.mUsedInFix = false;
+
}
}

diff --git a/frameworks/base/location/java/android/location/GpsStatus.java b/frameworks/base/location/java/android/location/GpsStatus.java
index b601cde353..d4ca5fe854 100644
--- a/frameworks/base/location/java/android/location/GpsStatus.java
+++ b/frameworks/base/location/java/android/location/GpsStatus.java
@@ -20,6 +20,7 @@ import android.util.SparseArray;
import java.util.Iterator;
import java.util.NoSuchElementException;
+import java.util.Random;
/**
@@ -240,11 +241,54 @@ public final class GpsStatus {
return NUM_SATELLITES;
}
+
private static String formateRate(final double min, final double max) {
+
String rateStr = ""+(min + ((max - min) * new Random().nextDouble()));
+
if (rateStr.indexOf(".") != -1) {
+
int num = 0;
+
num = rateStr.indexOf(".");
+
String dianAfter = rateStr.substring(0, num + 1);
+
String afterData = rateStr.replace(dianAfter, "");
+
return rateStr.substring(0, num) + "." + afterData.substring(0, 1);
+
} else {
+
if (rateStr == "1") {
+
return "100";
+
} else {
+
return rateStr;
+
}
+
}
+
}
+

最后

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