For doing percentage of screen in android, we use PercentRelativeLayout:
Subclass of RelativeLayout
that supports percentage based dimensions and margins. You can specify dimension or a margin of child by using attributes with “Percent” suffix.
The attributes that you can use are:
layout_widthPercent
layout_heightPercent
layout_marginPercent
layout_marginLeftPercent
layout_marginTopPercent
layout_marginRightPercent
layout_marginBottomPercent
layout_marginStartPercent
layout_marginEndPercent
layout_aspectRatio
In our dependencies
compile 'com.android.support:percent:22.2.0'
Follow this example:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | <? xml version = "1.0" encoding = "utf-8" ?> < android.support.percent.PercentRelativeLayout xmlns:android = "http://schemas.android.com/apk/res/android" android:id = "@+id/activity_main" android:layout_width = "match_parent" android:layout_height = "match_parent" tools:context = "com.thedeveloperworldisyours.percentrelativelayouts.MainActivity" > < TextView android:id = "@+id/activity_main_text_view" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_centerVertical = "true" android:background = "@android:color/darker_gray" android:gravity = "center" android:text = "width 69%" app:layout_heightPercent = "10%" app:layout_marginLeftPercent = "4%" app:layout_widthPercent = "69%" /> < TextView android:id = "@+id/activity_main_second_text_view" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_centerVertical = "true" android:layout_toRightOf = "@+id/activity_main_text_view" android:background = "@android:color/holo_red_dark" android:gravity = "center" android:text = "width 23%" app:layout_heightPercent = "10%" app:layout_marginRightPercent = "4%" app:layout_widthPercent = "23%" /> </ android.support.percent.PercentRelativeLayout > |
We can see a big example:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 | <? xml version = "1.0" encoding = "utf-8" ?> < android.support.percent.PercentRelativeLayout xmlns:android = "http://schemas.android.com/apk/res/android" android:layout_width = "match_parent" android:layout_height = "match_parent" android:background = "@color/activity_calculator_black_transparent" android:orientation = "vertical" android:paddingBottom = "@dimen/activity_vertical_margin" android:paddingTop = "90dp" android:weightSum = "5" tools:context = "com.thedeveloperworldisyours.unitconverterpro.calculator.CalculatorActivity" > < View android:layout_width = "0dp" android:layout_height = "0dp" android:layout_centerVertical = "true" android:background = "@drawable/calculator_background" app:layout_heightPercent = "53%" app:layout_marginLeftPercent = "2%" app:layout_marginRightPercent = "2%" app:layout_widthPercent = "100%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.AutoResizeTextView android:id = "@+id/activity_calculator_result" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_above = "@+id/activity_calculator_divide" android:layout_toLeftOf = "@+id/activity_calculator_remove" android:background = "@drawable/calculator_text" android:inputType = "text" android:maxLines = "1" android:gravity = "end" android:paddingRight = "12dp" android:paddingLeft = "12dp" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_marginLeftPercent = "4%" app:layout_widthPercent = "69%" /> < ImageButton android:id = "@+id/activity_calculator_remove" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_above = "@+id/activity_calculator_divide" android:layout_alignParentRight = "true" android:src = "@mipmap/ic_backspace_calculator" android:background = "@drawable/calculator_remove_button" app:layout_heightPercent = "10%" app:layout_marginRightPercent = "4%" app:layout_widthPercent = "23%" /> <!--fourth--> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_seven" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_above = "@+id/activity_calculator_multiply" android:layout_toLeftOf = "@+id/activity_calculator_eight" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_seven" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_marginLeftPercent = "4%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_eight" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_above = "@+id/activity_calculator_multiply" android:layout_toLeftOf = "@+id/activity_calculator_nine" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_eight" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_nine" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_above = "@+id/activity_calculator_multiply" android:layout_toLeftOf = "@+id/activity_calculator_divide" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_nine" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.BlackplotanButton android:id = "@+id/activity_calculator_divide" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_above = "@+id/activity_calculator_multiply" android:layout_alignParentRight = "true" android:background = "@drawable/calculator_operator_button" android:text = "@string/activity_calculator_divide" android:textSize = "@dimen/activity_calculator_size_text_operator" app:layout_heightPercent = "10%" app:layout_marginRightPercent = "4%" app:layout_widthPercent = "23%" /> <!--third--> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_four" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_centerVertical = "true" android:layout_toLeftOf = "@+id/activity_calculator_five" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_four" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_marginLeftPercent = "4%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_five" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_centerVertical = "true" android:layout_toLeftOf = "@+id/activity_calculator_six" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_five" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_six" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_centerVertical = "true" android:layout_toLeftOf = "@+id/activity_calculator_multiply" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_six" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.BlackplotanButton android:id = "@+id/activity_calculator_multiply" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_alignParentRight = "true" android:layout_centerVertical = "true" android:background = "@drawable/calculator_operator_button" android:text = "@string/activity_calculator_multiply" android:textSize = "@dimen/activity_calculator_size_text_operator" app:layout_heightPercent = "10%" app:layout_marginRightPercent = "4%" app:layout_widthPercent = "23%" /> <!--second--> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_one" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_below = "@+id/activity_calculator_multiply" android:layout_toLeftOf = "@+id/activity_calculator_two" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_one" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_marginLeftPercent = "4%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_two" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_below = "@+id/activity_calculator_multiply" android:layout_toLeftOf = "@+id/activity_calculator_three" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_two" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_three" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_below = "@+id/activity_calculator_multiply" android:layout_toLeftOf = "@+id/activity_calculator_diminish" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_three" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.BlackplotanButton android:id = "@+id/activity_calculator_diminish" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_alignParentRight = "true" android:layout_below = "@+id/activity_calculator_multiply" android:background = "@drawable/calculator_operator_button" android:text = "@string/activity_calculator_diminish" android:textSize = "@dimen/activity_calculator_size_text_operator" app:layout_heightPercent = "10%" app:layout_marginRightPercent = "4%" app:layout_widthPercent = "23%" /> <!--last--> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_dot" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_below = "@+id/activity_calculator_diminish" android:layout_toLeftOf = "@+id/activity_calculator_zero" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_dot" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_marginLeftPercent = "4%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.StarjediButton android:id = "@+id/activity_calculator_zero" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_below = "@+id/activity_calculator_diminish" android:layout_toLeftOf = "@+id/activity_calculator_equals" android:background = "@drawable/calculator_button" android:text = "@string/activity_calculator_zero" android:textSize = "@dimen/activity_calculator_size_text" app:layout_heightPercent = "10%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.BlackplotanButton android:id = "@+id/activity_calculator_equals" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_below = "@+id/activity_calculator_diminish" android:layout_toLeftOf = "@+id/activity_calculator_add" android:background = "@drawable/calculator_equal_button" android:text = "@string/activity_calculator_equals" android:textSize = "@dimen/activity_calculator_size_text_operator" app:layout_heightPercent = "10%" app:layout_widthPercent = "23%" /> < com.thedeveloperworldisyours.unitconverterpro.common.view.BlackplotanButton android:id = "@+id/activity_calculator_add" android:layout_width = "0dp" android:layout_height = "0dp" android:layout_alignParentRight = "true" android:layout_below = "@+id/activity_calculator_diminish" android:background = "@drawable/calculator_operator_button" android:text = "@string/activity_calculator_plus" android:textSize = "@dimen/activity_calculator_size_text_operator" app:layout_heightPercent = "10%" app:layout_marginRightPercent = "4%" app:layout_widthPercent = "23%" /> </ android.support.percent.PercentRelativeLayout > |