Complete Sample

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

README.md

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 # roottools-android-studio
-判断Android设备是否已越狱
+判断Android设备是否已Root
+
+-----
+Code base on [softctrl/roottools][1] 
+
+  [1]: https://github.com/softctrl/roottools

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 18
+    buildToolsVersion "27.0.3"
+    defaultConfig {
+        applicationId "com.a52developer.androidinfo"
+        minSdkVersion 14
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    compile project(path: ':library')
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in E:\Androidsdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.lovecode666.androidinfo">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+
+        <activity
+            android:name="com.lovecode666.androidinfo.SplashActivity"
+            android:theme="@android:style/Theme.NoTitleBar.Fullscreen">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name="com.lovecode666.androidinfo.MainActivity"
+            android:theme="@android:style/Theme.NoTitleBar">
+        </activity>
+
+
+    </application>
+
+</manifest>

app/src/main/java/com/lovecode666/androidinfo/MainActivity.java

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+package com.lovecode666.androidinfo;
+
+/**
+ * Created by coleflowers on 2018/8/8.
+ * @copyright 爱写代码的小马
+ * @link https://coleflowers.github.io
+ */
+
+import android.app.Activity;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+
+import com.lovecode666.androidinfo.tools.Root;
+import com.stericson.RootTools.RootTools;
+
+import java.io.File;
+
+public class MainActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        TextView root_v1 = (TextView)findViewById(R.id.root_v1);
+        if(isRoot()){
+            root_v1.setText("已经ROOT");
+        } else {
+            root_v1.setText("还没有ROOT");
+        }
+
+        TextView root_v2 = (TextView)findViewById(R.id.root_v2);
+        if (new Root().isDeviceRooted()){
+            root_v2.setText("已经ROOT");
+        } else {
+            root_v2.setText("还没有ROOT");
+        }
+
+
+        // https://github.com/softctrl/roottools
+        TextView root_v3 = (TextView)findViewById(R.id.root_v3);
+        if (RootTools.isRootAvailable()){
+            root_v3.setText("已经ROOT");
+        } else {
+            root_v3.setText("还没有ROOT");
+        }
+
+        Button btn = (Button)findViewById(R.id.btn);
+        btn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                String urlStr = "https://coleflowers.github.io";
+                Intent intent = new Intent(Intent.ACTION_VIEW).setData(Uri.parse(urlStr));
+                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                startActivity(intent);
+            }
+        });
+    }
+
+
+    /**
+     * 判断当前手机是否有ROOT权限
+     * @link http://www.cnblogs.com/rayray/p/3229265.html
+     * @return
+     */
+    public boolean isRoot(){
+        boolean bool = false;
+
+        try{
+            if ((!new File("/system/bin/su").exists()) && (!new File("/system/xbin/su").exists())){
+                bool = false;
+            } else {
+                bool = true;
+            }
+        } catch (Exception e) {
+
+        }
+        return bool;
+    }
+}

app/src/main/java/com/lovecode666/androidinfo/SplashActivity.java

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+package com.lovecode666.androidinfo;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+
+import java.util.Timer;
+import java.util.TimerTask;
+
+/**
+ * Created by coleflowers on 2018/8/11.
+ */
+
+public class SplashActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_splash);
+
+        TimerTask task = new TimerTask() {
+            @Override
+            public void run() {
+                startMain();
+            }
+        };
+        Timer timer = new Timer();
+        timer.schedule(task, 1200);
+
+    }
+
+    private void startMain(){
+        Intent intent = new Intent(SplashActivity.this, MainActivity.class);
+        startActivity(intent);
+        finish();
+        //overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out);
+        //finish();
+    }
+
+}