我曾試過這個顯示我的evdo dbm。 它可以在我的模擬器上運行,但不能在我的真實設備上運行,爲什麼? 有沒有什麼不對? 這是我的源代碼:得到Android設備上的cdma dbm
package com.cdbmsof2;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.telephony.PhoneStateListener;
import android.telephony.SignalStrength;
import android.telephony.TelephonyManager;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class CdBmSOF2MainActivity extends Activity implements OnClickListener {
TextView dateAndTimeLabel;
private Button closeButton;
private int signalDBM = 0;
public class GetParams extends PhoneStateListener
{
@Override
public void onSignalStrengthsChanged(SignalStrength signalStrength)
{
super.onSignalStrengthsChanged(signalStrength);
signalDBM = signalStrength.getEvdoDbm();
}
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.activity_cd_bm_sof2_main);
GetParams listener = new GetParams();
TelephonyManager TelManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
TelManager.listen(listener ,PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
Button btn=(Button)findViewById(R.id.start);
btn.setOnClickListener(this);
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.start:
Toast.makeText(this, "CDMA signal strength is " + this.signalDBM , Toast.LENGTH_SHORT).show();
break;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_cd_bm_sof2_main, menu);
return true;
}
}
這是我的manifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.cdbmsof2"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="15" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".CdBmSOF2MainActivity"
android:label="@string/title_activity_cd_bm_sof2_main" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
</manifest>
任何一個人願意幫助我嗎?最好的祝福。
什麼是錯誤? – StarPinkER 2013-03-02 02:44:12
您還會計算出dBm中的百分比嗎?關於dBm範圍的任何想法或如何將其轉換爲%? – 3c71 2013-04-04 01:27:10