android.widget.Button#setBackground ( )源码实例Demo

下面列出了android.widget.Button#setBackground ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： m2g_android_miner 文件： MainActivity.java

private void setMiningButtonState(Boolean state) {
    Button btn = findViewById(R.id.start);

    Drawable buttonDrawable = btn.getBackground();
    buttonDrawable = DrawableCompat.wrap(buttonDrawable);

    if (minerPaused) {
        btn.setText("Resume");
        DrawableCompat.setTint(buttonDrawable, Color.rgb(238, 201, 0));
        btn.setBackground(buttonDrawable);
    } else {
        if (state) {
            btn.setText("Stop");
            DrawableCompat.setTint(buttonDrawable, Color.rgb(153, 0, 0));
            btn.setBackground(buttonDrawable);
        } else {
            btn.setText("Start");
            DrawableCompat.setTint(buttonDrawable, Color.rgb(0, 153, 0));
            btn.setBackground(buttonDrawable);
        }
    }

}

源代码2 项目： video-tutorial-code 文件： MainActivity.java

private void gridButtonClicked(int col, int row) {
    	Toast.makeText(this, "Button clicked: " + col + "," + row,
    			Toast.LENGTH_SHORT).show();
    	Button button = buttons[row][col];
    	
    	// Lock Button Sizes:
    	lockButtonSizes();
    	
    	// Does not scale image.
//    	button.setBackgroundResource(R.drawable.action_lock_pink);
    	
    	// Scale image to button: Only works in JellyBean!
    	// Image from Crystal Clear icon set, under LGPL
    	// http://commons.wikimedia.org/wiki/Crystal_Clear
		int newWidth = button.getWidth();
		int newHeight = button.getHeight();
		Bitmap originalBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.action_lock_pink);
		Bitmap scaledBitmap = Bitmap.createScaledBitmap(originalBitmap, newWidth, newHeight, true);
		Resources resource = getResources();
		button.setBackground(new BitmapDrawable(resource, scaledBitmap));
		
		// Change text on button:
		button.setText("" + col);

    }

源代码3 项目： LockPattern 文件： LockPatternView.java

private Button addCancelButton(){
    mBtnCancel = new Button(mContext);
    LayoutParams lp = new LayoutParams(0,
            LayoutParams.WRAP_CONTENT);
    lp.weight = 1;
    lp.setMargins(0, 0, mMargin16, 0);
    mBtnCancel.setLayoutParams(lp);

    mBtnCancel.setText(mBtnCancelStr);
    mBtnCancel.setTextColor(mButtonTextColor);
    mBtnCancel.setOnClickListener(onCancelPatternListener);
    if (mButtonBgResource != null){
        mBtnCancel.setBackground(mButtonBgResource);
    }
    mBtnCancel.setVisibility(INVISIBLE);
    return mBtnCancel;
}

源代码4 项目： speech-android-sdk 文件： MainActivity.java

/**
 * Change the button's drawable
 */
public void setButtonState(final boolean bRecording) {

    final Runnable runnableUi = new Runnable(){
        @Override
        public void run() {
            int iDrawable = bRecording ? R.drawable.button_record_stop : R.drawable.button_record_start;
            Button btnRecord = (Button)mView.findViewById(R.id.buttonRecord);
            btnRecord.setBackground(getResources().getDrawable(iDrawable));
        }
    };
    new Thread(){
        public void run(){
            mHandler.post(runnableUi);
        }
    }.start();
}

源代码5 项目： appcan-android 文件： EBrowserWindow.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public void showButtonIcon(Button backButton,  String iconPath) {
    if(""!=iconPath && null!=iconPath){
        String IconImg=iconPath;
        IconImg=IconImg.substring(BUtility.F_Widget_RES_SCHEMA
                .length());
        IconImg = BUtility.F_Widget_RES_path + IconImg;
        Bitmap leftIconImgBitmap =((EBrowserActivity)mContext).getImage(IconImg);
        if(null!=IconImg){
            BitmapDrawable bitmapDrawable = new BitmapDrawable(getResources(),
                    leftIconImgBitmap);
            if(null!=bitmapDrawable){
                backButton.setBackground(bitmapDrawable);
            }
        }
    }else{
        backButton.setVisibility(GONE);
    }

}

源代码6 项目： android-utilset 文件： MainActivity.java

private void setButtonColor(Button button, int index) {
	ButtonColor bc = ButtonColorList.getButtonColor(index);
	
	GradientDrawable gd = new GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM, new int[] {bc.getE(), bc.getC() });
	gd.setCornerRadius(0f);
	gd.setStroke(1, bc.getE());
	gd.setCornerRadius(3f);
	
	if (android.os.Build.VERSION.SDK_INT >= JELLY_BEAN_MR1)
		button.setBackground(gd);
	else
		button.setBackgroundDrawable(gd);
	
	button.setTextColor(bc.getTextColor());
	button.setShadowLayer(1f, 1f, 1f, bc.getE());
	LinearLayout.LayoutParams params = (android.widget.LinearLayout.LayoutParams) button.getLayoutParams();
	
	params.setMargins(5, 5, 5, 5);
	button.setLayoutParams(params);
}

源代码7 项目： firebase-android-sdk 文件： BindingWrapper.java

public static void setButtonBgColorFromHex(Button button, String hexColor) {
  try {
    Drawable drawable = button.getBackground();
    Drawable compatDrawable = DrawableCompat.wrap(drawable);
    DrawableCompat.setTint(compatDrawable, Color.parseColor(hexColor));
    button.setBackground(compatDrawable);
  } catch (IllegalArgumentException e) {
    // If the color didnt parse correctly, fail 'open', with default background color
    Logging.loge("Error parsing background color: " + e.toString());
  }
}

源代码8 项目： Nimbus 文件： NewsfeedTry.java

public void newsfeed(View view) {
    View uploaddetails = (View) findViewById(R.id.uploaddetails);
    uploaddetails.setVisibility(View.GONE);

    recyclerView.setVisibility(View.VISIBLE);
    Button uploadbutton = (Button) findViewById(R.id.uploadbutton);
    Button newsfeedbutton = (Button) findViewById(R.id.newsfeedbutton);
    uploadbutton.setBackground(ContextCompat.getDrawable(this, R.drawable.b3));
    uploadbutton.setTextColor(getResources().getColor(R.color.white));
    newsfeedbutton.setTextColor(getResources().getColor(R.color.colorPrimary));
    newsfeedbutton.setBackground(ContextCompat.getDrawable(this, R.drawable.b2));
}

源代码9 项目： LockPattern 文件： LockPatternView.java

private Button addConfirmButton(){
    mBtnConfirm = new Button(mContext);
    LayoutParams lp = new LayoutParams(0, LayoutParams.WRAP_CONTENT);
    lp.weight = 1;
    lp.setMargins(mMargin16, 0, 0, 0);
    mBtnConfirm.setLayoutParams(lp);
    mBtnConfirm.setText(mBtnRepeatStr);
    mBtnConfirm.setTextColor(mButtonTextColor);
    mBtnConfirm.setOnClickListener(onConfirmPatternListener);
    if (mButtonBgResource != null){
        mBtnConfirm.setBackground(mButtonBgResource);
    }
    mBtnConfirm.setVisibility(INVISIBLE);
    return mBtnConfirm;
}

源代码10 项目： geopaparazzi 文件： StyleHelper.java

public static LinearLayout.LayoutParams styleButton(Context context, Button button) {
    button.setTextColor(Compat.getColor(context, R.color.main_text_color));
    Compat.setButtonTextAppearance(context, button, android.R.attr.textAppearanceMedium);
    button.setBackground(Compat.getDrawable(context, R.drawable.button_background_drawable));
    int pad = (int) context.getResources().getDimension(R.dimen.button_indent);
    button.setPadding(pad, pad, pad, pad);
    LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
    lp.setMargins(15, 15, 15, 15);
    return lp;
}

源代码11 项目： kute 文件： HomeTab.java

@TargetApi(16)
public void setButtonBackgroundAPI16Above(Button b, int i) {
    b.setBackground(ResourcesCompat.getDrawable(getResources(), buttonicon[i], null));
}

源代码12 项目： smartcard-reader 文件： MessageAdapter.java

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    if (convertView == null) {
        convertView = mLayoutInflater.inflate(R.layout.parsed_msg, parent,
                false);
    }
    Button btn = (Button) convertView
            .findViewById(R.id.list_item_btn);
    ImageView img = (ImageView) convertView
            .findViewById(R.id.list_item_img);
    View separator = convertView
            .findViewById(R.id.separator);

    Message msg = (Message)getItem(position);

    // handling for separator/break
    if (msg.type == MSG_BREAK) {
        btn.setVisibility(View.GONE);
        img.setVisibility(View.GONE);
        separator.setVisibility(View.VISIBLE);
        return convertView;
    }

    btn.setText(msg.text);
    btn.setVisibility(View.VISIBLE);
    // img visibility handled below
    separator.setVisibility(View.GONE);

    // handling based on presence of parsed message contents
    if (msg.parsed.isEmpty()) {
        btn.setEnabled(false);
        btn.setBackground(null);
        img.setVisibility(View.GONE);
    } else {
        btn.setEnabled(true);
        btn.setBackground(mContext.getResources().
                getDrawable(R.drawable.parsed_msg_bg_states));
        img.setVisibility(View.VISIBLE);
        btn.setOnClickListener(new MessageClickListener(position));
    }
    // default style
    int color = android.R.color.black;
    // specific message type styles
    switch (msg.type) {
    case MSG_SEND:
        color = R.color.msg_send;
        break;
    case MSG_RCV:
        color = R.color.msg_rcv;
        break;
    case MSG_OKAY:
        color = R.color.msg_okay;
        break;
    case MSG_ERROR:
        color = R.color.msg_err;
        break;
    }
    btn.setTextColor(mContext.getResources().getColor(color));
    return convertView;
}

源代码13 项目： geopaparazzi 文件： GDynamicEditTextView.java

/**
     * @param context               the context to use.
     * @param attrs                 attributes.
     * @param parentView            parent
     * @param label                 label
     * @param value                 value
     * @param type                  the text type.
     * @param constraintDescription constraints
     * @param readonly              if <code>false</code>, the item is disabled for editing.
     */
    public GDynamicEditTextView(final Context context, AttributeSet attrs, LinearLayout parentView, String label, String value, final int type,
                                String constraintDescription, final boolean readonly) {
        super(context, attrs);

        editViewList = new ArrayList<>();

        mainLayout = new LinearLayout(context);
        LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT,
                LayoutParams.WRAP_CONTENT);
        layoutParams.setMargins(10, 10, 10, 10);
        mainLayout.setLayoutParams(layoutParams);
        mainLayout.setOrientation(LinearLayout.VERTICAL);
        parentView.addView(mainLayout);

        TextView textView = new TextView(context);
        textView.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
        textView.setPadding(2, 2, 2, 2);
        textView.setText(label.replace(UNDERSCORE, " ").replace(COLON, " ") + " " + constraintDescription);
        textView.setTextColor(Compat.getColor(context, R.color.formcolor));

        mainLayout.addView(textView);

        String[] valuesSplit = value.trim().split(";");
        if (valuesSplit.length == 0) {
            valuesSplit = new String[]{" "};
        }

        for (String singleValue : valuesSplit) {
            addSingleEditText(context, mainLayout, singleValue.trim(), readonly, type);
        }

        float minTouch = context.getResources().getDimension(R.dimen.min_touch_size);
        addTextButton = new Button(context);
        addTextButton.setLayoutParams(new LinearLayout.LayoutParams((int) minTouch, (int) minTouch));
        addTextButton.setPadding(5, 5, 5, 5);
//        addTextButton.setText("+");
        addTextButton.setBackground(Compat.getDrawable(context, R.drawable.ic_add_primary_24dp));
        mainLayout.addView(addTextButton);

        addTextButton.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                mainLayout.removeView(addTextButton);

                addSingleEditText(context, mainLayout, "", readonly, type);

                // add the button back
                mainLayout.addView(addTextButton);
            }

        });


    }