MTK（Android N）设置SDCard为默认存储

思路：当系统将所有存储挂载完毕，然后调用StorageManagerEx.setDefaultPath(path)设置默认存储，当用户手动改变以后就跟随用户设置。

diff --git a/packages/apps/Settings/src/com/mediatek/settings/deviceinfo/StorageSettingsExts.java b/packages/apps/Settings/src/com/mediatek/settings/deviceinfo/StorageSettingsExts.java
old mode 100644
new mode 100755
index 445c7d5..0944468
--- a/packages/apps/Settings/src/com/mediatek/settings/deviceinfo/StorageSettingsExts.java
+++ b/packages/apps/Settings/src/com/mediatek/settings/deviceinfo/StorageSettingsExts.java
@@ -20,6 +20,9 @@ import com.mediatek.storage.StorageManagerEx;import java.util.ArrayList;import java.util.Collections;import java.util.List;
+/*gxk@Revo modify SDCard to default storage 20170818*/
+import android.provider.Settings;
+/*End of by gxk*/public class StorageSettingsExts {private static final String TAG = "StorageSettings";
@@ -114,6 +117,11 @@ public class StorageSettingsExts {}StorageManagerEx.setDefaultPath(preference.getKey());Log.d(TAG, "Set default path : " + preference.getKey());
+/*gxk@Revo modify SDCard to default storage 20170818*/
+                if (com.android.featureoption.FeatureOption.PRJ_FEATURE_REVO_B_SET_DEFAULT_STORAGE){
+                    Settings.System.putInt(mActivity.getContentResolver(), "isUserSet", 1);
+                }
+/*End of by gxk*/mDeafultWritePathPref = (RadioButtonPreference) preference;return true;}
diff --git a/packages/providers/MediaProvider/src/com/android/providers/media/MediaScannerReceiver.java b/packages/providers/MediaProvider/src/com/android/providers/media/MediaScannerReceiver.java
old mode 100644
new mode 100755
index 9c9df73..15b2d93
--- a/packages/providers/MediaProvider/src/com/android/providers/media/MediaScannerReceiver.java
+++ b/packages/providers/MediaProvider/src/com/android/providers/media/MediaScannerReceiver.java
@@ -40,6 +40,13 @@ import android.os.storage.StorageVolume;import android.os.SystemProperties;import android.preference.PreferenceManager;import android.provider.MediaStore;
+/*gxk@Revo modify SDCard to default storage 20170818*/
+import com.mediatek.storage.StorageManagerEx;
+import java.util.ArrayList;
+import java.util.List;
+import android.provider.Settings;
+import com.android.featureoption.FeatureOption;
+/*End of by gxk*/public class MediaScannerReceiver extends BroadcastReceiver{@@ -58,10 +65,19 @@ public class MediaScannerReceiver extends BroadcastReceiverstatic boolean sIsShutdown = !"def_value".equals(SystemProperties.get("sys.shutdown.requested", "def_value"));private static final String DEVICE_MOUNT_BEFORE_BOOT = "dev.mount_before_boot";
+/*gxk@Revo modify SDCard to default storage 20170818*/
+    private StorageManager storageManager;
+    private int isUserSet = 0;
+/*End of by gxk*/@Overridepublic void onReceive(Context context, Intent intent) {final String action = intent.getAction();
+/*gxk@Revo modify SDCard to default storage 20170818*/
+        storageManager = (StorageManager) context.getSystemService(Context.STORAGE_SERVICE);
+        if (FeatureOption.PRJ_FEATURE_REVO_B_SET_DEFAULT_STORAGE)
+            isUserSet = Settings.System.getInt(context.getContentResolver(), "isUserSet", 0);
+/*End of by gxk*/MtkLog.v(TAG, "onReceive action = " + action);if (Intent.ACTION_BOOT_COMPLETED.equals(action)) {MtkLog.v(TAG, "onReceive BOOT_COMPLETED, begin to scan internal and external storage.");
@@ -192,7 +208,7 @@ public class MediaScannerReceiver extends BroadcastReceiver* @return*/private boolean isAllStorageMounted(Context context) {-        StorageManager storageManager = (StorageManager) context.getSystemService(Context.STORAGE_SERVICE);
+        // StorageManager storageManager = (StorageManager) context.getSystemService(Context.STORAGE_SERVICE);StorageVolume[] ExternalVolumeList = storageManager.getVolumeList();for (StorageVolume storageVolume : ExternalVolumeList) {String path = storageVolume.getPath();
@@ -204,6 +220,18 @@ public class MediaScannerReceiver extends BroadcastReceiver}return true;}
+/*gxk@Revo modify SDCard to default storage 20170818*/
+    private StorageVolume[] getDefaultWriteDiskList() {
+        List<StorageVolume> storageVolumes = new ArrayList<StorageVolume>();
+        StorageVolume[] volumes = storageManager.getVolumeList();
+        for (StorageVolume volume : volumes) {
+            if (Environment.MEDIA_MOUNTED.equals(storageManager.getVolumeState(volume.getPath()))) {
+                storageVolumes.add(volume);
+            }
+        }
+        return storageVolumes.toArray(new StorageVolume[storageVolumes.size()]);
+    }
+/*End of by gxk*//// M: get main handler to do check whether all storage have been mounted every CHECK_INTERVAL time.private Handler getHandler() {
@@ -221,6 +249,20 @@ public class MediaScannerReceiver extends BroadcastReceiverscan(context, MediaProvider.EXTERNAL_VOLUME);removeCallbacksAndMessages(null);sHandler = null;
+/*gxk@Revo modify SDCard to default storage 20170818*/
+                            if (FeatureOption.PRJ_FEATURE_REVO_B_SET_DEFAULT_STORAGE &&
+                                 isUserSet == 0 && isAllStorageMounted(context)) {
+                                StorageVolume[] availableVolumes = getDefaultWriteDiskList();
+                                for (StorageVolume volume : availableVolumes) {
+                                    String path = volume.getPath();
+                                    MtkLog.v(TAG, "<getHandler> setDefaultPath = " + path);
+                                    if (path != null && !"/storage/emulated/0".equals(path)) {
+                                        StorageManagerEx.setDefaultPath(path);
+                                        break;
+                                    }
+                                }
+                            }
+/*End of by gxk*/} else {MtkLog.v(TAG, "Some storage has not been mounted, wait it mounted until time out.");Message next = obtainMessage(msg.what, waitTime + CHECK_INTERVAL, -1, msg.obj);

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MTK（Android N）设置SDCard为默认存储

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