Android客制化------在设置中加入RAM flash计算

来源：互联网发布：多张表格数据条件汇总编辑：程序博客网时间：2024/06/09 10:31
单纯来看这个其实比较简单的，我们只需要获取对应路径下的信息，同时对其计算与判断，让其显示到对应控件上即可，查看源码，依样画葫芦即可。
diff --git a/res/xml/device_info_status.xml b/res/xml/device_info_status.xmlindex fc6016f..81683fd 100644--- a/res/xml/device_info_status.xml+++ b/res/xml/device_info_status.xml@@ -17,6 +17,35 @@ <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"         android:title="@string/device_status_activity_title">+   +   <Preference +    android:key="add_cpu"+        style="?android:preferenceInformationStyle"+        android:title="CPU"+        android:summary="CPU型号"/>++       <Preference +        android:key="add_ram"+        style="?android:preferenceInformationStyle"+        android:title="RAM"+        android:summary="0G"+        android:persistent="false"/>++       <Preference +        android:key="add_flash"+        style="?android:preferenceInformationStyle"+        android:title="FLASH"+        android:summary="0G"+    android:persistent="false"/>+           <Preference          android:key="battery_status"         style="?android:attr/preferenceInformationStyle"         android:title="@string/battery_status_title"diff --git a/src/com/android/settings/deviceinfo/Status.java b/src/com/android/settings/deviceinfo/Status.javaindex b52a0ad..65fcae1 100644--- a/src/com/android/settings/deviceinfo/Status.java+++ b/src/com/android/settings/deviceinfo/Status.java@@ -57,7 +57,20 @@ import java.lang.ref.WeakReference;  * # XMPP/buzz/tickle status : TODO  *  */-public class Status extends InstrumentedPreferenceActivity {+import android.widget.Toast; +import android.os.Environment;+import android.os.StatFs;+import java.io.BufferedReader;+import java.io.File;+import java.io.FileReader;+import java.io.IOException;+import java.text.DecimalFormat;++++public class Status extends PreferenceActivity {     private static final String KEY_BATTERY_STATUS = "battery_status";     private static final String KEY_BATTERY_LEVEL = "battery_level";@@ -97,6 +110,14 @@ public class Status extends InstrumentedPreferenceActivity {     private Preference mWifiMacAddress;     private Preference mWimaxMacAddress;+    private static final String KEY_RAM = "add_ram";+    private static final String KEY_FLASH = "add_flash";+    private Preference mAddRAM;+    private Preference mAddFlash;+     private Handler mHandler;     private static class MyHandler extends Handler {@@ -174,6 +195,23 @@ public class Status extends InstrumentedPreferenceActivity {         mWimaxMacAddress = findPreference(KEY_WIMAX_MAC_ADDRESS);         mIpAddress = findPreference(KEY_IP_ADDRESS);++       mAddRAM=findPreference(KEY_RAM);+       mAddFlash=findPreference(KEY_FLASH);        ++       // mAddRAM.setSummary(formatFileSize(getTotalMemorySize(this),true));+       // mAddFlash.setSummary(formatFileSize(getTotalInternalMemorySize(),true));+        //+   //此处想必各位一看就明白了  +       setSummaryText(KEY_RAM, formatRamFileSize(getTotalMemorySize(this),false));+       +       +       setSummaryText(KEY_FLASH, formatFileSize(getTotalInternalMemorySize()+getTotalMemorySize(this),false));++      +   //+         mRes = getResources();         mUnknown = mRes.getString(R.string.device_info_default);         mUnavailable = mRes.getString(R.string.status_unavailable);@@ -235,10 +273,86 @@ public class Status extends InstrumentedPreferenceActivity {             });     }-    @Override-    protected int getMetricsCategory() {-        return MetricsLogger.DEVICEINFO_STATUS;+    public  long getTotalInternalMemorySize() {+        File path = Environment.getDataDirectory();+        StatFs stat = new StatFs(path.getPath());+        long blockSize = stat.getBlockSize();+        long totalBlocks = stat.getBlockCount();+        return totalBlocks * blockSize;     }+    +    public  long getTotalMemorySize(Context context) {+        String dir = "/proc/meminfo";+        try {+            FileReader fr = new FileReader(dir);+            BufferedReader br = new BufferedReader(fr, 2048);+            String memoryLine = br.readLine();+            String subMemoryLine = memoryLine.substring(memoryLine.indexOf("MemTotal:"));+            br.close();+            return Integer.parseInt(subMemoryLine.replaceAll("\\D+", "")) * 1024;+        } catch (IOException e) {+            e.printStackTrace();+        }+        return 0;+    }++    private  DecimalFormat fileIntegerFormat = new DecimalFormat("#0");+    private  DecimalFormat fileDecimalFormat = new DecimalFormat("#0.#");+   +   +    public String formatRamFileSize(long size, boolean isInteger) {+        DecimalFormat df = isInteger ? fileIntegerFormat : fileDecimalFormat;+        String fileSizeString = "0M";+        if (size < 1024 && size > 0) {+            fileSizeString = df.format((double) size) + "B";+        } else if (size < 1024 * 1024) {+            fileSizeString = df.format((double) size / 1024) + "KB";+        } else if (size < 1024 * 1024 * 1024) {+            fileSizeString = df.format((double) size / (1024 * 1024)) + "MB";+           if(((double) size / (1024 * 1024))<512){+               fileSizeString="512MB";+           }else if(((double) size / (1024 * 1024))<1024){+               fileSizeString="1GB";+           }+        } else {+            fileSizeString = df.format((double) size / (1024 * 1024 * 1024)) + "GB";           +        }+        return fileSizeString;+}+++    public String formatFileSize(long size, boolean isInteger) {+        DecimalFormat df = isInteger ? fileIntegerFormat : fileDecimalFormat;+        String fileSizeString = "0M";+        if (size < 1024 && size > 0) {+            fileSizeString = df.format((double) size) + "B";+        } else if (size < 1024 * 1024) {+            fileSizeString = df.format((double) size / 1024) + "KB";+        } else if (size < 1024 * 1024 * 1024) {+            fileSizeString = df.format((double) size / (1024 * 1024)) + "MB";+        } else {+            fileSizeString = df.format((double) size / (1024 * 1024 * 1024)) + "GB";+           +           if(((double) size / (1024 * 1024 * 1024))<4){+               fileSizeString="4GB";+           }else if(((double) size / (1024 * 1024 * 1024))<8){+               fileSizeString="8GB";+           }else if(((double) size / (1024 * 1024 * 1024))<16){+               fileSizeString="16GB";+           }else if(((double) size / (1024 * 1024 * 1024))<32){+               fileSizeString="32GB";+           }else if(((double) size / (1024 * 1024 * 1024))<64){+               fileSizeString="64GB";+           }+        }+        return fileSizeString;+}
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