联想a65手机怎么获取ROOT权限

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.ray.linkit"
      android:versionCode="1"
      android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".Main"
                  android:label="@string/app_name"
                  android:screenOrientation="portrait">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
                <activity android:name=".GamePlay"
                android:screenOrientation="portrait"></activity>
                <activity android:name=".OptionView"
                android:screenOrientation="portrait"></activity>
    </application>
    <uses-sdk android:minSdkVersion="3" />
</manifest>

if(newConfig.orientation==Configuration.ORIENTATION_LANDSCAPE){
  //横屏
  setContentView(R.layout.file_list_landscape);
}else{
  //竖屏
   setContentView(R.layout.file_list);
}

public byte[] Bitmap2Bytes(Bitmap bm) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bm.compress(Bitmap.CompressFormat.PNG, 100, baos);
    return baos.toByteArray();
}

public Bitmap Bytes2Bimap(byte[] b) {
    if (b.length != 0) {
        return BitmapFactory.decodeByteArray(b, 0, b.length);
    } else {
        return null;
    }
}

public static Bitmap zoomBitmap(Bitmap bitmap, int width, int height) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    Matrix matrix = new Matrix();
    float scaleWidth = ((float) width / w);
    float scaleHeight = ((float) height / h);
    matrix.postScale(scaleWidth, scaleHeight);
    Bitmap newbmp = Bitmap.createBitmap(bitmap, 0, 0, w, h, matrix, true);
    return newbmp;
}

public static Bitmap drawableToBitmap(Drawable drawable) {
        // 取 drawable 的长宽
        int w = drawable.getIntrinsicWidth();
        int h = drawable.getIntrinsicHeight();
        // 取 drawable 的颜色格式
        Bitmap.Config config = drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888
                : Bitmap.Config.RGB_565;
        // 建立对应 bitmap
        Bitmap bitmap = Bitmap.createBitmap(w, h, config);
        // 建立对应 bitmap 的画布
        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, w, h);
        // 把 drawable 内容画到画布中
        drawable.draw(canvas);
        return bitmap;
    }

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, float roundPx) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    Bitmap output = Bitmap.createBitmap(w, h, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, w, h);
    final RectF rectF = new RectF(rect);
    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

public static Bitmap createReflectionImageWithOrigin(Bitmap bitmap) {
    final int reflectionGap = 4;
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    Matrix matrix = new Matrix();
    matrix.preScale(1, -1);
    Bitmap reflectionImage = Bitmap.createBitmap(bitmap, 0, h / 2, w,
            h / 2, matrix, false);
    Bitmap bitmapWithReflection = Bitmap.createBitmap(w, (h + h / 2),
            Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmapWithReflection);
    canvas.drawBitmap(bitmap, 0, 0, null);
    Paint deafalutPaint = new Paint();
    canvas.drawRect(0, h, w, h + reflectionGap, deafalutPaint);
    canvas.drawBitmap(reflectionImage, 0, h + reflectionGap, null);
    Paint paint = new Paint();
    LinearGradient shader = new LinearGradient(0, bitmap.getHeight(), 0,
            bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff,
            0x00ffffff, TileMode.CLAMP);
    paint.setShader(shader);
    // Set the Transfer mode to be porter duff and destination in
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    // Draw a rectangle using the paint with our linear gradient
    canvas.drawRect(0, h, w, bitmapWithReflection.getHeight()
            + reflectionGap, paint);
    return bitmapWithReflection;
}

Bitmap bm=xxx; //xxx根据你的情况获取
BitmapDrawable bd= new BitmapDrawable(getResource(), bm);
因为BtimapDrawable是Drawable的子类，最终直接使用bd对象即可。

public static Drawable zoomDrawable(Drawable drawable, int w, int h) {
    int width = drawable.getIntrinsicWidth();
    int height = drawable.getIntrinsicHeight();
    // drawable转换成bitmap
    Bitmap oldbmp = drawableToBitmap(drawable);
    // 创建操作图片用的Matrix对象
    Matrix matrix = new Matrix();
    // 计算缩放比例
    float sx = ((float) w / width);
    float sy = ((float) h / height);
    // 设置缩放比例
    matrix.postScale(sx, sy);
    // 建立新的bitmap，其内容是对原bitmap的缩放后的图
    Bitmap newbmp = Bitmap.createBitmap(oldbmp, 0, 0, width, height,
            matrix, true);
    return new BitmapDrawable(newbmp);
}

android:layout_above 将该控件的底部置于给定ID的控件之上;

android:layout_below 将该控件的底部置于给定ID的控件之下;

android:layout_toLeftOf    将该控件的右边缘与给定ID的控件左边缘对齐;

android:layout_toRightOf  将该控件的左边缘与给定ID的控件右边缘对齐;

android:layout_alignBaseline  将该控件的baseline与给定ID的baseline对齐;

android:layout_alignTop        将该控件的顶部边缘与给定ID的顶部边缘对齐;

android:layout_alignBottom   将该控件的底部边缘与给定ID的底部边缘对齐;

android:layout_alignLeft        将该控件的左边缘与给定ID的左边缘对齐;

android:layout_alignRight      将该控件的右边缘与给定ID的右边缘对齐;

// 相对于父组件

android:layout_alignParentTop      如果为true,将该控件的顶部与其父控件的顶部对齐;

android:layout_alignParentBottom 如果为true,将该控件的底部与其父控件的底部对齐;

android:layout_alignParentLeft      如果为true,将该控件的左部与其父控件的左部对齐;

android:layout_alignParentRight    如果为true,将该控件的右部与其父控件的右部对齐;

// 居中

android:layout_centerHorizontal 如果为true,将该控件的置于水平居中;

android:layout_centerVertical     如果为true,将该控件的置于垂直居中;

android:layout_centerInParent   如果为true,将该控件的置于父控件的中央;

// 外部间隔

android:layout_marginTop       上偏移的值;

android:layout_marginBottom  下偏移的值;

android:layout_marginLeft 　　左偏移的值;

android:layout_marginRight 　 右偏移的值;

RelativeLayout relativeLayout = new RelativeLayout(context);
  Spinner spinner = new Spinner(context);
  edit_text_add_country = new AutoCompleteTextView(context);
  edit_text_add_stock = new EditText(this);
  RadioGroup containCountry = new RadioGroup(context);
 
 
  spinner.setId(1);
  edit_text_add_country.setId(2);
  edit_text_add_stock.setId(3);
  containCountry.setId(4);
 
  String[] mCountries = { "China" , "USA", "China2", "Comunicate"};
  List<String> allcountries = new ArrayList<String>();
  ArrayAdapter<String> aspnCountries;
 
  for (int i = 0; i < mCountries.length; i++) {
   allcountries.add(mCountries[i]);
  }
 
  aspnCountries = new ArrayAdapter<String>(this,
    android.R.layout.simple_spinner_item, allcountries);
  aspnCountries
    .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
  spinner.setAdapter(aspnCountries);
  edit_text_add_country.setAdapter(aspnCountries);
  edit_text_add_country.setHint("input country name");
  edit_text_add_stock.setHint("input stock name");
 
  RelativeLayout.LayoutParams param1, param2, param3;
  param1 = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
  param2 = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
  param2.addRule(RelativeLayout.BELOW, 1);
  param3 = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
  param3.addRule(RelativeLayout.BELOW, 4);
  ViewGroup.LayoutParams param4, param5;
  param4 = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,ViewGroup.LayoutParams.WRAP_CONTENT);
  param5 = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,ViewGroup.LayoutParams.WRAP_CONTENT);
 
  containCountry.addView(spinner,param4);
  containCountry.addView(edit_text_add_country, param5);
 
  relativeLayout.addView(containCountry, param1);
  relativeLayout.addView(edit_text_add_stock, param3);
 
  builder.setView(relativeLayout);

public class Main extends Activity {
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
      
        ArrayList<Person> personList = new ArrayList<Person>();
        personList.add(new Person("zwx","23"));
        personList.add(new Person("zwx1","24"));
        personList.add(new Person("zwx2","25"));
      
        LinearLayout ll = (LinearLayout)findViewById(R.id.LinearLayout01);

        for(Person person : personList){
         RelativeLayout rl = new RelativeLayout(this);
         RelativeLayout.LayoutParams  rll = new RelativeLayout.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT);
          rl.setLayoutParams(rll);

          TextView tv1 = new TextView(this);
          RelativeLayout.LayoutParams tv1_rl = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);
          tv1_rl.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
          tv1.setText(person.getName());
          rl.addView(tv1, tv1_rl);
        
          TextView tv2 = new TextView(this);
          RelativeLayout.LayoutParams tv2_rl = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);
          tv2_rl.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
          tv2.setText(person.getAge());
          rl.addView(tv2, tv2_rl);

          ll.addView(rl);
          rl.setOnClickListener(new View.OnClickListener() {
    
                @Override
              public void onClick(View v) {
                   Toast.makeText(Main.this, "11", 5000).show();
                }
               }) ;
        }
    }
}