java
package com.example.suruixue.myapplication;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Vibrator;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.CompoundButton;
import android.widget.TextView;
import android.widget.ToggleButton;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.List;
public class MainActivity extends AppCompatActivity implements SensorEventListener,CompoundButton.OnCheckedChangeListener{
private String TAG = "SensorTest";
private TextView tSensor = null;
private SensorManager mSensorManager;
private Sensor mAccelerometer;
private List<Sensor> mAccelerometer1;
private Vibrator vibrator;
private ToggleButton tb1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tSensor = (TextView)findViewById(R.id.sensordata);
mSensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);
mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
mAccelerometer1 = mSensorManager.getSensorList(Sensor.TYPE_ACCELEROMETER);
Log.i(TAG, "srx-acc1-"+mAccelerometer1.get(0));
if(mAccelerometer == null){
Log.i(TAG,"srx--acc not exit--");
}
if(mAccelerometer1 == null){
Log.i(TAG,"srx--acc1 not exit--");
}
Log.i(TAG,"srx--acc may exit:"+getNodeExists("/sys/bus/platform/drivers/gsensor/sensordata") );
mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_NORMAL);
/* vibrator */
vibrator = (Vibrator) this.getSystemService(VIBRATOR_SERVICE);
tb1 = (ToggleButton) findViewById(R.id.vibr_1);
tb1.setOnCheckedChangeListener(this);
Log.i(TAG,"srx--vibraotr exits:"+getNodeExists( "/sys/class/timed_output/vibrator/enable") );
Log.i(TAG,"srx--vibraotr srx exits:"+getNodeExists("dev/srx_vibrator1") );
File accFile=new File("/sys/bus/platform/drivers/gsensor/sensordata");
if(!accFile.exists()){
Log.i(TAG,"acc not exist");
} else {
Log.i(TAG,"acc exist");
}
File vibrFile = new File("dev/srx_vibrator1");
if(!vibrFile.exists()){
Log.i(TAG,"vibr not exist");
} else {
Log.i(TAG,"vibr exist");
}
}
@Override
public void onSensorChanged(SensorEvent event) {
// Log.i(TAG,"onSensorChanged--type="+event.sensor.getName());
if(event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
// Log.i(TAG,"x="+ event.values[0]+"y="+ event.values[1]+"z="+ event.values[2]);
tSensor.setText(String.valueOf("x="+ event.values[0]+"y="+ event.values[1]+"z="+ event.values[2]));
// String,valueOf("x="+ event.values[0]+"y="+ event.values[1]+"z="+ event.values[2]);
}
}
private static String getNodeExists(String path) {
String prop = null;
try {
BufferedReader reader = new BufferedReader(new FileReader(path));
prop = reader.readLine();
} catch (IOException e) {
e.printStackTrace();
}
return prop;
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
@Override
protected void onDestroy() {
super.onDestroy();
mSensorManager.unregisterListener(this);
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
Log.i(TAG,"onCheckedChanged--");
if(isChecked) {
Log.i(TAG,"isChecked--");
if (buttonView == tb1) {
if(vibrator.hasVibrator()){
Log.i(TAG,"hasvibrator,vibrate 5s--");
vibrator.vibrate(5000);
} else {
Log.i(TAG,"no vibrator-");
}
}
} else {
//close vibrator
vibrator.cancel();
}
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical" tools:context=".MainActivity"> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/sensordata" android:text="Hello World!" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="单次震动" /> <ToggleButton android:id="@+id/vibr_1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textOff="开启" android:textOn="关闭"/> </LinearLayout> </android.support.constraint.ConstraintLayout>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.suruixue.myapplication"> <uses-permission android:name="android.permission.VIBRATE" /> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".MainActivity" android:configChanges="orientation|screenSize"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>