私のプロジェクトの 1 つのバッテリーの状態とバッテリーの情報を表示するアプリを作成しようとしています。アプリで瞬時電流と電源を表示したいのですが、機能させることができませんでした.現在の情報と電源情報を取得できません.2のままでAC電源が接続されています. コードを教えていただけると助かります。ありがとう
import android.annotation.SuppressLint;
//import com.batterystatus.namespace.R;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends ActionBarActivity {
private TextView level,voltage, status1,temp,health1,tech,sour,amp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
level=(TextView)findViewById(R.id.level);
voltage=(TextView)findViewById(R.id.volt);
status1=(TextView)findViewById(R.id.stat);
temp=(TextView)findViewById(R.id.temp);
health1=(TextView)findViewById(R.id.healt);
tech=(TextView)findViewById(R.id.tech);
sour=(TextView)findViewById(R.id.source);
Button b = (Button) findViewById(R.id.ex);
amp=(TextView)findViewById(R.id.current);
b.setOnClickListener(new View.OnClickListener(){
public void onClick(View v) {
// TODO Auto-generated method stub
finish();
System.exit(0);}
});
this.registerReceiver(this.myBatteryReceiver,
new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
}
private BroadcastReceiver myBatteryReceiver
= new BroadcastReceiver(){
@SuppressLint("InlinedApi")
@Override
public void onReceive(Context arg0, Intent arg1) {
// TODO Auto-generated method stub
if (arg1.getAction().equals(Intent.ACTION_BATTERY_CHANGED)){
int lv = arg1.getIntExtra("level", 0);
level.setText("Level: "
+ String.valueOf(lv) + "%");
voltage.setText("Voltage: "
+ String.valueOf((float)arg1.getIntExtra("voltage", 0)/1000) + "V");
temp.setText("Temperature: "
+ String.valueOf((float)arg1.getIntExtra("temperature", 0)/10) + "c");
tech.setText("Technology: " + arg1.getStringExtra("technology"));
int status = arg1.getIntExtra("status", BatteryManager.BATTERY_STATUS_UNKNOWN);
String strStatus;
if (status == BatteryManager.BATTERY_STATUS_CHARGING){
strStatus = "Charging";
} else if (status == BatteryManager.BATTERY_STATUS_DISCHARGING){
strStatus = "Dis-charging";
} else if (status == BatteryManager.BATTERY_STATUS_NOT_CHARGING){
strStatus = "Not charging";
} else if (status == BatteryManager.BATTERY_STATUS_FULL){
strStatus = "Full";
} else {
strStatus = "Unknown";
}
status1.setText("Status: " + strStatus);
int source=arg1.getIntExtra("source", BatteryManager.BATTERY_STATUS_UNKNOWN);
**int current=arg1.getIntExtra("current", BatteryManager.BATTERY_PROPERTY_CURRENT_NOW);
amp.setText("Current: "+String.valueOf(current));
String strsource = null;
if(source==BatteryManager.BATTERY_PLUGGED_AC){strsource="AC Power Plugged";}
else if (source==BatteryManager.BATTERY_PLUGGED_USB){strsource="USB Plugged";}
sour.setText("Power Source: "+ strsource);**
int health = arg1.getIntExtra("health", BatteryManager.BATTERY_HEALTH_UNKNOWN);
String strHealth;
if (health == BatteryManager.BATTERY_HEALTH_GOOD){
strHealth = "Good";
} else if (health == BatteryManager.BATTERY_HEALTH_OVERHEAT){
strHealth = "Over Heat";
} else if (health == BatteryManager.BATTERY_HEALTH_DEAD){
strHealth = "Dead";
} else if (health == BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE){
strHealth = "Over Voltage";
} else if (health == BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE){
strHealth = "Unspecified Failure";
} else{
strHealth = "Unknown";
}
health1.setText("Health: " + strHealth);
}
}
};
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}