Android在设置里面添加新功能的方法

1./usr/smdt/self6000/android/packages/apps/Settings/res/xml/device_info_settings.xml

中增加节点：

<Preferenceandroid:key="build_number"

style="?android:preferenceInformationStyle"

android:title="@string/build_number"

android:summary="@string/device_info_default"/>

<Preference android:key="device_test"

style="?android:preferenceInformationStyle"

android:title="@string/device_test"

android:summary="@string/device_func_test"/>

<Preference android:key="laohua_test"

style="?android:preferenceInformationStyle"

android:title="@string/laohua_test"

android:summary="@string/laohua_func_test"/>

<!—Device NO-->

<Preference android:key="device_no"

style="?android:preferenceInformationStyle"

android:title="@string/device_no"

android:summary="@string/device_esn_no"/>

2. /usr/smdt/self6000/android/packages/apps/Settings/res/values/strings.xml

增加

<stringname="kernel_version">Kernel version</string>

<stringname="build_number">Build number</string>

<string name="device_test">"functiontest"</string>

<stringname="device_func_test">"functiontest"</string>

<stringname="laohua_test">"old test"</string>

<stringname="laohua_func_test">"old test"</string>

<string name="device_no">"devicenumber"</string>

<string name="device_esn_no">"device esn no"</string>

3./usr/smdt/self6000/android/packages/apps/Settings/res/values-zh-rCN/strings.xml

增加：

<stringname="kernel_version"msgid="9192574954196167602">"内核版本"</string>

<stringname="build_number"msgid="3075795840572241758">"版本号"</string>

<stringname="device_test">"功能测试"</string>

<string name="device_func_test">"设备功能测试"</string>

4./usr/smdt/self6000/android/packages/apps/Settings/src/com/android/settings/DeviceInfoSettings.java

修改：

privatestaticfinalStringKEY_EQUIPMENT_ID = "fcc_equipment_id";

privatestaticfinalStringPROPERTY_EQUIPMENT_ID ="ro.ril.fccid";

privatestatic final StringKEY_DEVICE_TEST ="device_test";

privatestatic final String KEY_LAOHUA_TEST = "laohua_test";

privatestatic final String KEY_DEVICE_NO = "device_no";

staticfinal int TAPS_TO_BE_A_DEVELOPER = 7;

onCreate方法增加：

setStringSummary(KEY_BUILD_NUMBER,Build.DISPLAY);

findPreference(KEY_BUILD_NUMBER).setEnabled(true);

findPreference(KEY_DEVICE_TEST).setEnabled(true);

findPreference(KEY_LAOHUA_TEST).setEnabled(true);

findPreference(KEY_DEVICE_NO).setEnabled(true);

setStringSummary(KEY_DEVICE_NO,getCPUSerial());

findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion());

onPreferenceTreeClick方法：

publicbooleanonPreferenceTreeClick(PreferenceScreenpreferenceScreen, Preference preference) {

Log.i(LOG_TAG,"=========="+preference.getKey());

if (preference.getKey().equals(KEY_FIRMWARE_VERSION)) {

System.arraycopy(mHits, 1,mHits, 0, mHits.length-1);

mHits[mHits.length-1]= SystemClock.uptimeMillis();

if (mHits[0] >= (SystemClock.uptimeMillis()-500)) {

Intent intent = new Intent(Intent.ACTION_MAIN);

intent.setClassName("android",

com.android.internal.app.PlatLogoActivity.class.getName());

try {

startActivity(intent);

} catch (Exceptione) {

Log.e(LOG_TAG,"Unable to start activity " + intent.toString());

}

} elseif (preference.getKey().equals(KEY_BUILD_NUMBER)){

if (mDevHitCountdown > 0) {

mDevHitCountdown--;

if (mDevHitCountdown == 0) {

getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE,

Context.MODE_PRIVATE).edit().putBoolean(

DevelopmentSettings.PREF_SHOW,true).apply();

if (mDevHitToast!=null){

mDevHitToast.cancel();

}

mDevHitToast = Toast.makeText(getActivity(),R.string.show_dev_on,

Toast.LENGTH_LONG);

mDevHitToast.show();

} elseif (mDevHitCountdown> 0

&& mDevHitCountdown < (TAPS_TO_BE_A_DEVELOPER-2)){

if (mDevHitToast !=null){

mDevHitToast.cancel();

}

mDevHitToast = Toast.makeText(getActivity(),getResources().getQuantityString(

R.plurals.show_dev_countdown,mDevHitCountdown,mDevHitCountdown),

Toast.LENGTH_SHORT);

mDevHitToast.show();

}

} elseif (mDevHitCountdown< 0) {

if (mDevHitToast !=null){

mDevHitToast.cancel();

}

mDevHitToast = Toast.makeText(getActivity(),R.string.show_dev_already,

Toast.LENGTH_LONG);

mDevHitToast.show();

}

}elseif(preference.getKey().equals(KEY_DEVICE_TEST)){

doStartApplicationWithPackageName("com.smdt.test.basic");

}elseif(preference.getKey().equals(KEY_LAOHUA_TEST)){

doStartApplicationWithPackageName("com.into.stability");}

returnsuper.onPreferenceTreeClick(preferenceScreen,preference);

}

增加doStartApplicationWithPackageName方法：

privatevoiddoStartApplicationWithPackageName(Stringpackagename) {

//通过包名获取此APP详细信息，包括Activities、services、versioncode、name等等

PackageInfo packageinfo = null;

try {

packageinfo =getPackageManager().getPackageInfo(packagename, 0);

} catch (NameNotFoundExceptione) {

e.printStackTrace();

}

if (packageinfo ==null){

return;

}

//创建一个类别为CATEGORY_LAUNCHER的该包名的Intent

Intent resolveIntent = new Intent(Intent.ACTION_MAIN,null);

resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER);

resolveIntent.setPackage(packageinfo.packageName);

//通过getPackageManager()的queryIntentActivities方法遍历

List<ResolveInfo> resolveinfoList =getPackageManager()

.queryIntentActivities(resolveIntent, 0);

ResolveInfo resolveinfo = resolveinfoList.iterator().next();

if (resolveinfo !=null){

// packagename = 参数packname

String packageName = resolveinfo.activityInfo.packageName;

// 这个就是我们要找的该APP的LAUNCHER的Activity[组织形式：packagename.mainActivityname]

String className = resolveinfo.activityInfo.name;

// LAUNCHER Intent

Intent intent = new Intent(Intent.ACTION_MAIN);

intent.addCategory(Intent.CATEGORY_LAUNCHER);

intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

// 设置ComponentName参数1:packagename参数2:MainActivity路径

ComponentName cn = new ComponentName(packageName,className);

intent.setComponent(cn);

startActivity(intent);

}

增加获取cpu序列号的方法：

/**

* 获取CPU序列号

* @returnCPU序列号(16位)

* 读取失败为"0000000000000000"

publicstaticString getCPUSerial() {

String str= "",strCPU ="", cpuAddress = "0000000000000000";

try{

//读取CPU信息

Process pp = Runtime.getRuntime().exec("cat /proc/cpuinfo");

InputStreamReader ir = new InputStreamReader(pp.getInputStream());

LineNumberReader input = new LineNumberReader(ir);

//查找CPU序列号

for (inti = 1; i < 100;i++) {

str =input.readLine();

if (str !=null){

//查找到序列号所在行

if (str.indexOf("Serial")> -1) {

//提取序列号

strCPU = str.substring(str.indexOf(":") + 1,

str.length());

//去空格

cpuAddress = strCPU.trim();

break;

}

}else{

//文件结尾

break;

}

} catch(IOExceptionex) {

//赋予默认值

ex.printStackTrace();

}

returncpuAddress;

}

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