see 11/12 log

Author: Blankj

README-CN.md

@@ -6,6 +6,7 @@
  ```
 isActivityExists : 判断是否存在Activity
 launchActivity   : 打开Activity
+getLauncherActivity: 获取launcher activity
  ```
 
 > - **App相关→[AppUtils.java][app.java]**
@@ -117,6 +118,8 @@ getManufacturer : 获取设备厂商
 getModel        : 获取设备型号
 shutdown        : 关机
 reboot          : 重启
+reboot2Recovery          : 重启到recovery
+reboot2Bootloader          : 重启到bootloader
  ```
 
 > - **判空相关→[EmptyUtils.java][empty.java]→[Test][empty.test]**

app/src/main/java/com/blankj/androidutilcode/activities/ActivityActivity.java

@@ -7,9 +7,6 @@
 
 import com.blankj.androidutilcode.R;
 import com.blankj.utilcode.utils.ActivityUtils;
-import com.blankj.utilcode.utils.DeviceUtils;
-import com.blankj.utilcode.utils.IntentUtils;
-import com.blankj.utilcode.utils.ShellUtils;
 
 /**
  * <pre>
@@ -38,8 +35,9 @@ protected void onCreate(Bundle savedInstanceState) {
 
         findViewById(R.id.btn_launch_image_activity).setOnClickListener(this);
 
-        boolean isExists = ActivityUtils.isActivityExists(this, packageName, className);
-        tvAboutActivity.setText(String.format("Is ImageActivity Exists: %b", isExists));
+        tvAboutActivity.setText("Is ImageActivity Exists: " + ActivityUtils.isActivityExists(this, packageName, className) +
+                "\ngetLauncherActivity: " + ActivityUtils.getLauncherActivity(this, packageName)
+        );
     }
 
     @Override

app/src/main/java/com/blankj/androidutilcode/activities/DeviceActivity.java

@@ -29,6 +29,8 @@ protected void onCreate(Bundle savedInstanceState) {
 
         findViewById(R.id.btn_shutdown).setOnClickListener(this);
         findViewById(R.id.btn_reboot).setOnClickListener(this);
+        findViewById(R.id.btn_reboot_to_recovery).setOnClickListener(this);
+        findViewById(R.id.btn_reboot_to_bootloader).setOnClickListener(this);
 
         tvAboutDevice.setText("isRoot: " + DeviceUtils.isDeviceRoot() +
                 "\ngetSDKVersion: " + DeviceUtils.getSDKVersion() +
@@ -47,6 +49,10 @@ public void onClick(View view) {
                 break;
             case R.id.btn_reboot:
                 DeviceUtils.reboot();
+            case R.id.btn_reboot_to_recovery:
+                DeviceUtils.reboot2Recovery();
+            case R.id.btn_reboot_to_bootloader:
+                DeviceUtils.reboot2Bootloader();
                 break;
         }
     }

app/src/main/res/layout/activity_device.xml

@@ -28,6 +28,22 @@
             android:text="@string/device.reboot"
             />
 
+        <Button
+            android:id="@+id/btn_reboot_to_recovery"
+            style="@style/BtnFont"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/device.reboot_to_recovery"
+            />
+
+        <Button
+            android:id="@+id/btn_reboot_to_bootloader"
+            style="@style/BtnFont"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/device.reboot_to_bootloader"
+            />
+
         <TextView
             android:id="@+id/tv_about_device"
             style="@style/Font"

app/src/main/res/values/string.xml

@@ -33,6 +33,8 @@
     <!--Device相关-->
     <string name="device.shutdown">Shutdown</string>
     <string name="device.reboot">Reboot</string>
+    <string name="device.reboot_to_recovery">Reboot To Recovery</string>
+    <string name="device.reboot_to_bootloader">Reboot To Bootloader</string>
 
     <!--Handler相关-->
     <string name="handler.send_msg_after_3s">Send Msg After 3s</string>

update_log.md

@@ -1,4 +1,5 @@
 ###
+#### 16/11/12 最近一直在博客搬家，所以更得有点少，新增重启到recovery和bootloader，新增获取launcher activity
 #### 16/11/04 修复README的缺少process的bug
 #### 16/11/03 SnackbarUtils中Snackbar持有弱引用来消除内存泄漏
 #### 16/11/02 内存泄漏检测中

utilcode/src/main/java/com/blankj/utilcode/utils/ActivityUtils.java

@@ -3,7 +3,10 @@
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.os.Bundle;
+import android.util.Log;
 
 import java.util.List;
 
@@ -59,4 +62,24 @@ public static void launchActivity(Context context, String packageName, String cl
     public static void launchActivity(Context context, String packageName, String className, Bundle bundle) {
         context.startActivity(IntentUtils.getComponentIntent(packageName, className, bundle));
     }
+
+    /**
+     * 获取launcher activity
+     *
+     * @param context     上下文
+     * @param packageName 包名
+     * @return launcher activity
+     */
+    public static String getLauncherActivity(Context context, String packageName) {
+        Intent intent = new Intent(Intent.ACTION_MAIN, null);
+        intent.addCategory(Intent.CATEGORY_LAUNCHER);
+        PackageManager pm = context.getPackageManager();
+        List<ResolveInfo> infos = pm.queryIntentActivities(intent, 0);
+        for (ResolveInfo info : infos) {
+            if (info.activityInfo.packageName.equals(packageName)) {
+                return info.activityInfo.name;
+            }
+        }
+        return "no " + packageName;
+    }
 }

utilcode/src/main/java/com/blankj/utilcode/utils/DeviceUtils.java

@@ -243,4 +243,20 @@ public static void reboot(Context context, String reason) {
             e.printStackTrace();
         }
     }
+
+    /**
+     * 重启到recovery
+     * <p>需要root权限</p>
+     */
+    public static void reboot2Recovery() {
+        ShellUtils.execCmd("reboot recovery", true);
+    }
+
+    /**
+     * 重启到bootloader
+     * <p>需要root权限</p>
+     */
+    public static void reboot2Bootloader() {
+        ShellUtils.execCmd("reboot bootloader", true);
+    }
 }

utilcode/src/main/java/com/blankj/utilcode/utils/EncryptUtils.java

@@ -124,7 +124,7 @@ public static byte[] encryptMD5(byte[] data) {
      * @return 文件的16进制密文
      */
     public static String encryptMD5File2String(String filePath) {
-        File file =  StringUtils.isSpace(filePath) ? null : new File(filePath);
+        File file = StringUtils.isSpace(filePath) ? null : new File(filePath);
         return encryptMD5File2String(file);
     }
 
@@ -135,7 +135,7 @@ public static String encryptMD5File2String(String filePath) {
      * @return 文件的MD5校验码
      */
     public static byte[] encryptMD5File(String filePath) {
-        File file =  StringUtils.isSpace(filePath) ? null : new File(filePath);
+        File file = StringUtils.isSpace(filePath) ? null : new File(filePath);
         return encryptMD5File(file);
     }
 
@@ -164,7 +164,7 @@ public static byte[] encryptMD5File(File file) {
             MessageDigest md = MessageDigest.getInstance("MD5");
             digestInputStream = new DigestInputStream(fis, md);
             byte[] buffer = new byte[256 * 1024];
-            while (digestInputStream.read(buffer) > 0);
+            while (digestInputStream.read(buffer) > 0) ;
             md = digestInputStream.getMessageDigest();
             return md.digest();
         } catch (NoSuchAlgorithmException | IOException e) {